# 720+ Strength of Materials Multiple Choice Questions with Answers

1. Calculate the resultant force of dam with given self weight 800kN and water pressure be 500kN..

A. 943.4 kN.
B. 956.7 kN.
C. 948.6 kN.
D. 939.1 KN.

2. When the reservoir is empty tension occurs at ___________.
A. Toe.
B. Heel.
C. Top width.
D. Bottom width.

3. What is the mix proportion for M15 grade concrete?.
A. 0.04238425925925926.
B. 0.043101851851851856.
C. 0.043819444444444446.
D. 0.04453703703703704.

4. Laterite is an example of ___________ rock..
A. Siliceous.
B. Argillaceous.
C. Calcareous.
D. Metamorphic.

5. ________ is crystalline and compact in structure..
A. Marbles.
B. Granite.

6. As per IS, the standard dimensions for a brick is _______ (in cm)..
A. 19×8×8.
B. 19×9×8.
C. 19×9×9.
D. 19×8×9.

7. Formation of white patches on the surface on the bricks is ____________.
A. Tempering.
B. Porosity.
C. Shrinkage.
D. Efflorescence.

8. ______ bricks can withstand up to a temperature of 1800°C..
A. Refractory.
B. Fly ash.
C. Clay.
D. Cement.

9. According to IS, the minimum expansion joint in construction should be ________.
A. 18mm to 30 mm.
B. 15mm to 24mm.
C. 18mm to 25mm.
D. 22mm to 30mm.

10. The edges formed by the intersection of plane surfaces of a brick are known as _________.
A. Arises.
B. Stretcher.
D. Frog.

11. The depression made in the face of brick during its manufacture is _________.
A. Brick tile.
B. Bat.
C. Frog.
D. Quoin closer.

12. Calculate the eccentricity of a rectangular dam of width 4 m. Take the distance between the water face and point where resultant cuts the base as 5.25 m..
A. 2.25m.
B. 3.25m.
C. 4.35m.
D. 5.35m.

13. Calculate the horizontal water pressure acting on a dam. The total depth of water be 13m. Take specific weight of water be 10kN/m^3..
A. 765 kN.
B. 845 kN.
C. 965 kN.
D. 1175 kN.

14. Calculate the self-weight of a rectangular dam of 22m high and 8m wide. It contains water upto a height of 20m. Consider the specific weight of masonry be 25 kN/m^3..
A. 3560 kN.
B. 5432 kN.
C. 4400 kN.
D. 5680 kN.

15. The pressure intensity of water at free surface is ________.
A. Zero.
B. Maximum.
C. Minimum.
D. Uniform.

16. Self weight of dam acts in ___________ direction..
A. Vertical.
B. Horizontal.
C. Inclined.
D. Parallel.

17. The maximum compressive stresses developed at the base of the dam should not exceed permissible ___________ stresses for masonry..
A. Tensile.
B. Crippling.
C. Compressive.
D. Shear.

18. For no _______ to develop in the dam section the resultant should always lie within the middle third..
A. Compression.
B. Tension.
C. Shear.
D. Buckling.

19. Calculate the self weight of trapezoidal dam with top width 5m and bottom width 8m. The height of dam is 15 m. Consider specific weight of masonry be 25kN/m^3..
A. 3456.5 kN.
B. 2768.5 kN.
C. 2437.5 kN.
D. 3450 kN.

20. The material(earth) retained by the retaining wall is called as __________.
A. Surcharge.
B. Turf.
C. Foliate.
D. Back fill.

21. The inclination of surcharge to the horizontal is called ____________.
A. Surcharge elevation.
B. Surcharge angle.
C. Surcharge factor.
D. Surcharge depression.

22. Which of the following is practical pressure?.
A. Active earth pressure.
B. Passive earth pressure.
C. Soil moisture tension.
D. Horizontal water pressure.

23. The angle of internal friction for water is __________.
A. 180°.
B. 100°.
C. 0°.
D. 270°.

24. Which of the following is theoretical pressure?.
A. Active earth pressure.
B. Passive earth pressure.
C. Soil Tension.
D. Horizontal water pressure.

25. Which of the following is an example for plasticizer?.
A. Ca.
B. Mg.
C. Zn.
D. Hg.

26. _______ curing is adopted for columns and walls..
A. Moist curing.
B. Membrane curing.
C. Ponding.
D. Descending stage.

27. Prestressed concrete is an example of _____________.
A. Malleability.
B. Ductility.
C. Fatigue.
D. Plasticity.

28. Calculate the eccentricity of a trapezoidal dam with a distance between the centre of gravity and point where the resultant cuts the base is 5m. The bottom width of the dam is 3m..
A. 2.5m.
B. 3.5m.
C. 4.5m.
D. 5m.

29. Which of the following is not a failure of retaining wall?.
A. Structural slide.
B. Shear sliding.
C. Crushing.
D. Slope pitching.

30. ________ pressure which occurs commonly in dams..
A. Passive earth pressure.
B. Active earth pressure.
C. Soil moisture tension.
D. Wind pressure.

31. _________ failures contribute 40% to earthen dams..
A. Seepage.
B. Structural.
C. Hydraulic.
D. Natural.

32. Which of the following filters are also known as chimney drains?.
A. Horizontal filter.
B. Inclined filter.
C. Rock toe.
D. Toe drain.

33. Zoned earthen dams are also known as ______.
A. Heterogeneous dams.
B. Core wall dams.
C. Homogeneous dams.
D. Hydraulic dam.

34. ___________ dams are built with key trenches..
A. Heterogeneous earth dam.
B. Homogeneous earth dam.
C. Earth Dam with Core wall.
D. Rolled fill dam.
Answer = Earth Dam with Core wall

35. Line of seepage is also known as __________.
B. Phreatic line.
D. Hydraulic seepage line.

36. ____________ represents the top stream line..
A. Phreatic line.
D. Hydraulic seepage line.

37. The hydrostatic pressures on phreatic line are equal to____.
A. Zero.
B. Maximum.
C. Minimum.
D. Constant.

38. Expand MWL?.
A. Minimum water level.
B. Maximum water level.
C. Meagre water level.
D. Most wind level.

39. ______ is the difference of Level between full reservoir level and top of the dam..
A. Net free board.
B. Gross free board.
C. Design free board.
D. Over free board.

40. By keeping the phreatic line within the downstream toe, the ___________ can be avoided..
A. Piping.
B. Gullying.
C. Sloughing.
D. Over topping.

41. Springs(closely coiled) are examples of _____________.
A. stiffness.
B. hardness.
C. toughness.
D. creep.

42. Perennial canals are also known as ________.
A. Inundation canal.
B. Productive canal.
C. Feeder canal.
D. Permanent canal.

43. To ensure economy in dam sections, the ______ should be minimum..
A. Base width.
B. Top width.
C. Spillway length.
D. Toe of the wall.

44. Calculate the maximum stress at the base section is the self weight is 4400 kN. The top and bottom width of them are 3 and 8 m respectively. Take (e) = 2.97..
A. 1658.15 kN/m^2.
B. 1775.12 kN/m^2.
C. 1897.45 kN/m^2.
D. 2336.67 kN/m^2.

45. If the maximum stress is positive, then the nature of stress is ____.
A. Tensile.
B. Shearing.
C. Compressive.
D. Bending.

46. Determine the eccentricity of the dam section, if the base width of the dam be 6m. Take Z = 5.5m..
A. 2.5.
B. 1.5.
C. 3.5.
D. 4.5.

47. Calculate the minimum stress developed at the heel of the dam, if the self weight of the dam is 924 kN and the base with is 6 metres [Take e = 0.0945m]..
A. 145 kN/m^2.
B. 139 kN/m^2.
C. 167 kN/m^2.
D. 183 kN/m^2.

48. The side slopes depend on ____________ conditions of a proposed dam..
A. Toe width.
B. Height of foundation.
C. Character of material.
D. Free board allowance.

49. Molitor’s formula can be used for calculation of ___________.
A. Freeboard.
B. Toe width.
C. Wave height.
D. Base drop.

50. The height of the dam = free board + ___________.
A. FTL.
B. MWL.
C. FRL.
D. HFL.

51. _____________ sections allow the surplus discharge to flow in dams..
A. Mulching.
B. Over reinforced.
C. Breaching.
D. Balanced.

52. If the minimum stress developed is negative, then the nature of stress is ___________.
A. Shearing.
B. Tensile.
C. Bending.
D. Compressive.

53. ____________ creates concentrated seepage in dams section..
A. Longitudinal cracks.
B. Transverse cracks.
C. Construction cracks.
D. Contraction cracks.

54. The upstream slope recommended for sand and gravel with RCC core wall is __________.
A. 0.04305555555555556.
B. 0.12569444444444444.
C. 2.5:1.
D. 1.5:1.

55. Major distributaries discharge varies from ____________.
A. 0.25 to 5 cumecs.
B. 2 to 4 cumecs.
C. 1.5 to 5 cumecs.
D. 1.2 to 5 cumecs.
Answer = 0.25 to 5 cumecs

56. Field channels are also known as ______.
A. Branch canals.
B. Slope channels.
C. Water courses.
D. Contour canals.

57. The structures constructed along are distributaries are called as _______.
A. Inlets.
B. Outlets.
C. Distributaries.
D. Channels.

58. Slope in the beam at any point is measured in ____________.
A. Degrees.
B. Minutes.
D. Metric tonnes.

59. Elastic curve is also known as __________.
A. Refraction curve.
B. Reflection curve.
C. Deflection curve.
D. Random curve.

60. Which of the following method is not used for determining slope and deflection at a point?.
A. Moment area method.
B. Double integration method.
C. Isoheytal method.
D. Macaulay’s method.

61. The slope is denoted by _______.
A. k.
B. y.
C. i.
D. c.

62. Calculate the slope at supports, if the area is 180kNm^2. Take flexural rigidity as 50000..

63. In cantilever beams, the slope is _____________ at fixed end..
A. Maximum.
B. Zero.
C. Minimum.
D. Uniform.

64. Slope is maximum at _______ in simply supported beams..
A. Mid span.
B. Through out.
C. Supports.

65. Mohr’s theorem- 1 states ________.
A. E/AI.
B. I/EA.
C. A/EI.
D. A=EI.

66. Using Mohr’s theorem, calculate the maximum slope of a cantilever beam if the bending moment area diagram is 90kNm^2. Take EI = 4000 kNm^2..

67. Contour canals are also called as ______.
A. Single bank canal.
B. Ridge canal.
C. Side slope canal.
D. Watershed canal.

68. ______________ provides employment to the cultivators at the time of famine..
A. Productive canal.
C. Protective canal.
D. Inundation canal.

69. ______________ bricks are used in the lining of blast furnaces..
A. Magnesia.
B. Dolomite.
C. Bauxite.
D. Fly ash.

70. _____________ bricks are resistant to corrosion..
A. silica bricks.
B. magnesia bricks.
C. bauxite bricks.
D. fire bricks.

71. _____________ bricks are used in the lining of electric furnace..
A. Frosterite.
B. Spinel.
C. Chrome.
D. Basic.

72. The finished product after burning magnesite is named as ___________.
A. Perillax.
B. Hellyx.
C. Pyrolytaex.
D. Syrilax.

73. Units of deflection are _________.
A. kNm.
B. kN/m.
C. kN.
D. m.

74. Which of the following method is used to determine the slope and deflection at a point?.
A. Arithmetic increase method.
B. Mathematical curve setting.
C. Macaulay’s method.
D. Lacey’s method.

75. Deflection is denoted by _______.
A. i.
B. y.
C. h.
D. e.

76. In cantilever beams, the deflection is zero at ___________.
A. Free and.
B. Fixed end.
C. At supports.
D. Through out.

77. Mohr’s theorem -¡¡ states?.
A. Ax/EI.
B. A/Ex.
C. A/EI.
D. Ae=Ix.

78. Calculate the deflection if the slope is 0.0225 radians. Take the distance of centre of gravity of bending moment to free end as 2 metres..
A. 45mm.
B. 35mm.
C. 28mm.
D. 49mm.

79. Which of the following is not a cross drainage work?.
A. Aqueduct.
B. Level crossing.
D. Super passage.

80. Tail escape is also called as ___________.
A. Outlet.
B. Cross regulator.
C. Weir type escape.
D. Surplus escape.

81. The land where all the water comes from ___________.
A. Ridge dam.
B. Watershed.
C. Meander.
D. Groynes.

82. ____________ reduces storm water discharge..
A. Rain water harvesting.
B. Water harvesting.
C. Watershed.
D. Watershed management.

83. Which of the following is not a soil moisture conservation method?.
B. Crop rotation.
C. Recharge to ground water.
D. By mulches.
Answer = Recharge to ground water

84. Nutrients like ca, mg, si, al, S, K are lost due to ____________.
A. Soil erosion.
B. Percolation.
C. Water logging.
D. Watershed.

85. Warabandi has been practiced in India for more than ____________ years..
A. 130 years.
B. 125 years.
C. 140 years.
D. 145 years.

86. Gold, Copper and lead are the examples of ______.
A. Ductility.
B. Creep.
C. Plasticity.
D. Malleability.

87. The ratio of maximum deflection of a beam to its ___________ is called stiffness of the beam..
B. Slope.
C. Span.
D. Reaction at the support.

88. Stiffness of the beam is inversely proportional to the _____ of the beam..
A. Slope.
B. Support reaction.
C. Deflection.

89. The maximum ____ should not exceed the permissible limit to the span of the beam..
A. Slope.
B. Deflection.
D. None of the mentioned.

90. In cantilever beam the deflection occurs at ______.
A. Free end.
C. Through out.
D. Fixed end.

91. In an ideal fluid, the ____________ stresses are pretend to be absent..
A. Bending.
B. Shearing.
C. Tensile.
D. Compressive.

92. Air and water are the examples of ___________.
A. Non Newtonian fluids.
B. Vortex fluids.
C. Real fluids.
D. Ideal fluids.

93. _______ fluids are practical fluids.
A. Ideal.
B. Real.
C. Vortex.
D. Newtonian.

94. Specific weight of water at 4°C is ____________ N/m^3..
A. 9810.0.
B. 9760.0.
C. 9950.0.
D. 9865.0.

95. The inverse of specific weight of a fluid is __________.
A. Specific gravity.
B. Specific Volume.
C. Compressibility.
D. Viscosity.

96. Calculate the specific gravity of mercury..
A. 12.5.
B. 14.7.
C. 13.6.
D. 11.8.

97. Specific gravity of water is __________.
A. 0.8.
B. 1.0.
C. 1.2.
D. 1.5.

98. Compute the maximum deflection at free end of a cantilever beam subjected to udl for entire span of l metres..
A. wl^4/8EI.
B. wl^4/4EI.
C. wl^3/8EI.
D. wl^2/6EI.

99. Calculate the maximum deflection of a cantilever beam with udl on entire span of 3m the intensity of you udl be 25 kN/m. Take EI as 4000 kN/m^2..
A. 0.052m.
B. 0.063m.
C. 0.076m.
D. 0.09m.

100. Which of the following is not an example of Malleability?.
A. Wrought Iron.
B. Ornamental silver.
C. Torsteel.
D. Ornamental gold.

101. __________ of a beam is a measure of its resistance against deflection..
A. Strength.
B. Stiffness.
C. Slope.
D. Maximum bending.

102. The maximum induced ___________ stresses should be within the safe permissible stresses to ensure strength of the beam..
A. Tensile.
B. Compressive.
C. Bending.
D. Lateral.

103. Elastic line is also called as ___________.
A. Deflection curve.
B. Plastic curve.
C. Linear curve.
D. Hooke’s curve.

104. In simply supported beams, the slope is _____________ at supports..
A. Minimum.
B. Zero.
C. Maximum.
D. Uniform.

105. In simply supported beam deflection is maximum at ____________.
A. Midspan.
B. Supports.
D. Through out.

106. ____________ is the best example for accelerator (admixture)..
A. Sulphonated formaldehyde.
B. Calcium chloride.
C. Sulphonated naphthalene.
D. Polyglycolesters.

107. _____________ is used to reduce the time for hardening of concrete..
A. Accelerators.
B. Super plasticizer.
C. Retarder.

108. Full form of LEED ________.
A. Leadership in Energy and Efficiency Development.
B. Leadership in Environmental and Energy Design.
C. Leadership in Energy and Environmental Design.
D. Leadership in Efflorescence and Energy Demand.

109. _____ has a lower heat of hydration..
A. Quarry dust.
B. Fly ash.
C. Ordinary Portland cement.
D. Bulk sand.

110. The factors that influence rate of hydration is _________.
A. The fineness of cement.
B. Temperature of cement.
C. Quality of water.
D. Temperature of water.
Answer = The fineness of cement

111. The average crushing strength of precast concrete blocks as per CAI is __________.
A. 4.5 N/mm^2.
B. 5 N/mm^2.
C. 3.5 N/mm^2.
D. 4 N/mm^2.

112. A simply supported beam of span as shown in the figure is subjected to a concentrated load w at its metre span and also to a uniformly distributed load equality w what is the total diffraction it its midpoint..
A. 18 Wl^3 /384 EI.
B. 13 Wl^3/ 384 EI.
C. 5 Wl^3/ 384 EI.
D. 18 Wl^3/ 384 EI.
Answer = 13 Wl^3/ 384 EI

113. Meander ratio is the ratio of meander belt to __________.
A. Meander depth.
B. Meander width.
C. Meander length.
D. Meander cross-section.

114. A cantilever beam subjected to a point load at free end of span "l" m and possess flexural rigidity (EI)..
A. Wl^3 / 6EI.
B. Wl^4/ 8EI.
C. Wl^2/ 2EI.
D. Wl^4/ 5EI.

115. Cantilever scaffolding is also known as ____________.
A. mason’s scaffolding.
B. suspended scaffolding.
C. needle scaffolding.

116. Scaffolding you generally adopted when the height of structure is above ___________.
A. 1.3 m.
B. 1.5 m.
C. 1.7 m.
D. 2.2 m.

117. The horizontal platform in between any two flights of a staircase is called ___________.
A. Landing.
C. Nosing.
D. Stringer.

118. The ratio of maximum load to the unit area is ________.
A. Ultimate bearing capacity.
B. Allowable bearing capacity.
C. Safe bearing capacity.
D. Bearing capacity.

119. ______ is part of a structure which transmits the load to the soil underneath..
A. Basement.
B. Plinth.
C. Lentils.
D. Foundation.

120. Full form of NBC ___________.
A. Nominal Building Centre.
B. National Building Code.
C. National Building Cluster.
D. Nominal Buoyance Centre.

121. The ultimate bearing capacity/factor of safety = ____________.
A. Bearing capacity.
B. Allowance bearing capacity.
C. Safe bearing capacity.
D. Soil consolidation capacity.

122. _____ is measured on percentage basis..
A. Camber.
B. Formation width.
C. Super elevation.
D. Shoulder.

123. ______ bridge any opening like a window, door, cupboard etc in a building..
B. Lintel.
C. Footings.
D. Stairs.

124. The first solar cooker was developed in the year ____________.
A. 1947.0.
B. 1953.0.
C. 1945.0.
D. 1960.0.

125. Solar arrays are defined in terms of ____________.
A. Circuits.
B. Diodes.
C. Kernel.
D. Panels.

126. In a cantilever of span "L" subjected to a concentrated load of "W" at a distance of L/3 from free end. The deflection is ________.
A. WL^3/3EI.
B. 14WL^3/81EI.
C. WL^3/81EI.
D. 8WL^3/81EI.

127. Calculate the slope in a simply supported beam subjected to point load at centre. Take the EI into consideration..
A. Wl^3/4EI.
B. Wl^2/16EI.
C. Wl^3/8EI.
D. Wl^4/6EI.

128. Which of the following is a mechanical property of materials?.
A. Surface Tension.
B. Compressibility.
C. Elasticity.
D. Specific volume.

129. In cantilever beams, the extra support is known as ____________.
A. Hinch.
B. Prop.
C. Cripple.
D. Indeterminate end.

130. Prop reduces ___________ in the beam..
A. Deflection.
B. Slope.
C. Shear.
D. Moment.

131. Which of the following is indeterminate structure?.
A. Singly rereinforced beam.
B. Propped cantilever beam.
C. Over hanging beam.
D. Simply supported beam.

132. ____________ is used to produce due to temperature variation in indeterminate structures..
A. Stresses.
B. Strains.
C. Deflections.
D. Moment.

133. In cantilever beams, the maximum deflection occurs at ___________.
A. Fixed end.
B. Free end.
C. Through out.

134. As per IRC, maximum width of lane considered as ____________.
A. 2.44 m.
B. 2.35 m.
C. 3.5 m.
D. 3.4 m.

135. ______ is the area of land acquired and reserved for future development..
A. Right of pier.
B. Carriage way.
C. Right of way.
D. Camber.

136. Stability of high rise vehicles will be affected due to ____________.
A. Camber.
C. Super elevation.
D. Formation Width.

137. The longitudinal rise or fall off road surface along its length is _________.
A. Camber.
B. Super elevation.
D. Carriage way.

138. Which of the following gradient is usually used in the construction of roads?.

139. According to IRC, the height of the object is taken to the height of ___________ mm..
A. 200 mm.
B. 100 mm.
C. 450 mm.
D. 600 mm.

140. What is the minimum shoulder width provided for village roads?.
A. 1.25 m.
B. 1.4 m.
C. 0.5 m.
D. 1 m.

141. In case of vertical curves, the ____________ are taken above the road..
B. Super elevation.
C. Earth quantities.
D. Summit.

142. The time required for overtaking ___________ seconds..
A. 9 to 14.
B. 8 to 10.
C. 11 to 15.
D. 14 to 19.

143. _____ provide gradual introduction of super elevation..
A. Transition curves.
B. Summit curves.
C. Joint curves.

144. The upward deflection caused by the prop is _____________.
A. Pl^3/2EI.
B. Pl^2/3EI.
C. Pl^3/3EI.
D. Pl^4/3EI.

145. Stiffness of the propped cantilever is _________.
A. 4EI/l.
B. 6EI/l.
C. 8EI/I.
D. 5EI/l.

146. The major losses of energy due to friction are calculated by using _________.
A. Ingli’s formulae.
B. Emperical notations.
C. Chezy’s Equation.
D. Lacey’s Theory.

147. The ratio of A/P is ___________.
B. Arbitrary datum.
C. T E L.
D. H G L.

148. Determine the velocity of flow in a pipe if the discharge capacity is 270 litres per second and cross sectional area is 5 cm^2..
A. 4.5 m/s.
B. 5.4 m/s.
C. 3.4 m/s.
D. 2.5 m/s.

149. Calculate the reaction at prop of cantilever, if the span of beam is 5m and load is 20 kN..
A. 4.25 kN.
B. 5 kN.
C. 6.25 kN.
D. 8 kN.

150. The highest point on syphon is known as ____.
A. Summit.
B. Crown.
C. Limb.

151. The position between the summit and the lower reservoir is known as ___________.
A. Inlet leg.
B. Outlet leg.
D. Datum.

152. Full form of TEL is _________.
A. Total Emission Line.
B. Thermal Electro Light.
C. Total Energy Line.
D. Total Electro Light.

153. The width of broad gauge is ___________.
A. 1.445m.
B. 1.676m.
C. 1 m.
D. 0.61 m.

154. Which of the following gauge is the Indian Standard Gauge?.
B. Narrow gauge.
C. Light gauge.
D. Metre gauge.

155. _____ is the weakest part in railway track..
A. Rail joint.
B. Sleepers.
C. Ballast.
D. Spikes.

156. About 90% railway tracks laid with ___________ rails in the world..
A. DH rails.
B. BH rails.
C. FF rails.
D. GH rails.

157. Brass is an example of ____________.
A. Creep.
B. Fatigue.
C. Toughness.
D. Hardness.

158. A beam which is inbuilt in at its support is called _________.
A. Cantilever beam.
B. Simply supported beam.
C. Fixed beam.
D. Continuous beam.

159. Fixed beam is also known as _______.
A. Encaster beam.
B. Constressed beam.
C. In built beam.
D. Constricted beam.

160. In fixed beams, the slope at the supports be ___________.
A. Minimum.
B. Zero.
C. Maximum.
D. Throughout.

161. _______ changes induce large stresses in a fixed beam..
A. Lateral.
B. Deflection.
C. Temperature.
D. Slope.

162. A beam 6 metres long is fixed at it ends. It carries a udl of 5 kN/m. Find the maximum bending moment in the beam..
A. 15 kNm.
B. 20 kNm.
C. 35 kNm.
D. 40 kNm.

163. Calculate the maximum deflection of a fixed beam carrying udl of 5 kN/m. The span of beam is 6 m. Take E = 200kN/m^2 and I = 5×10^7 mm^4..
A. 1.865 m.
B. 2.235 m.
C. 1.6875 m.
D. 2.5 m.

164. Calculate the load intensity of fixed beam if the maximum deflection shall not exceed 1/ 400 of the span. Take EI as 10^10 kN mm^2..
A. 40 kN.
B. 35 kN.
C. 45 kN.
D. 60 kN.

165. ____ is known as a serpentine curve..
A. Circular curve.
B. Transition curve.
C. Reverse curve.
D. Leminiscate curve.

166. The maximum super elevation to be provided is ___.
A. 2 in 15.
B. 1 in 15.
C. 1 in 10.
D. 2 in 10.

167. ______ curves are used to solve the problems of land acquisition..
A. Vertical curves.
B. Horizontal curves.
C. Circular curves.
D. Transition curves.

168. The limiting gradient for mountainous terrain is ________.
A. 0.06.
B. 0.07.
C. 0.08.
D. 0.05.

169. Which of the following do not have units?.
A. Specific weight.
B. Specific gravity.
C. Specific volume.
D. Mass density.

170. In engineering properties of soils, the "e" denotes?.
A. Compressibility.
B. Water content.
C. Porosity.
D. Voids ratio.

171. _____ is a glacier deposit of sand, gravel or clay..
A. Till.
B. Tull.
C. Loess.
D. Mart.

172. The bearing capacity of laminated rocks used in foundation is ___________.
A. 1450 kN/m^2.
B. 1620 kN/m^2.
C. 1785 kN/m^2.
D. 2125 kN/m^2.

173. In fixed beams, the maximum deflection at __________ is reduced..
A. Centre.
B. Supports.
D. Through out.

174. Fixing couples means _____.
A. End moments.
B. Support couples.
C. Support moments.
D. End supports.

175. _________ is provided to prevent the debris from entering into the penstock..
A. Tash rack.
B. Surge tank.
C. Anchor blocks.
D. Power house.

176. __________ regulates the speed of turbine..
A. Tail race.
B. Anchor blocks.
C. Power house.
D. Surge tank.

177. The sheet of water flowing through a notch is called ________.
A. Sill.
B. Crest.
C. Scour.
D. Nappe.

178. Which of the following is empirical formula coined by Francis?.
A. 2.36 LH^3/2.
B. 1.84 LH^3/2.
C. 3.34 LH^3/2.
D. 1.96 LH^3/2.

179. Calculate discharge of a weir 2 metre long with a water flow over a head of 250 mm use Francis formula..
A. 0.34 m^3/s.
B. 0.46 m^3/s.
C. 0.25 m^3/s.
D. 0.65 m^3/s.

180. 1 litre = ____________ m^3..
A. 10^4.
B. 10^3.
C. 10^-3.
D. 10^-4.

181. In cipoletti weir, the side slopes are _______________.
A. 1 in 3.
B. 1 in 2.
C. 1 in 5.
D. 1 in 4.

182. The flow of thick oil through a small tube is an example for _________.
A. Laminar flow.
B. Turbulent flow.
C. Rotational flow.

183. Flow in rivers is an example of __________ flow..
A. Rotational.
B. Laminar.
C. Compressible.
D. Turbulent.

184. What is the point of contraflexure in a fixed beam of span 5m?.
A. 3m.
B. 2.75 m.
C. 3.75 m.
D. 4 m.

185. Water table should be at least __________ m below subgrade..
A. 1.5m.
B. 3 m.
C. 1.2 m.
D. 2.5 m.

186. Torsteel is an example of _______.
A. Elasticity.
B. Plasticity.
C. Malleability.
D. Ductility.

187. A beam which is supported on more than two supports is called as______.
A. Fixed beam.
B. Continuous beam.
C. Cantilever beam.
D. Simply supported beam.

188. Which of the following them is also known as multi span beam _______.
A. Cantilever beam.
B. Simply supported beam.
C. Fixed beam.
D. Continuous beam.

189. In deflection of a continuous beam, when loaded there will be convexity upwards over _________ supports..
A. End.
B. Alternate.
C. Intermediate.
D. Every.

190. The _________ is more over the supports then at midspan in continuous beams..
A. Slope.
B. Bending moment.
C. Deflection.
D. Shear force.

191. Moment distribution method is also known as __________.
A. Hardy Cross method.
B. Macaulay’s method.
C. Mohr’s Theorems method.
D. Kennedy’s theory.

192. Which of the following device is not based on Bernoulli’s equation?.
A. Venturimeter.
B. Orificemeter.
C. Hydraulic lift.
D. Pitot tube.

193. Pascal’s law is applied in ____________.
A. Pitot tube.
B. Hydraulic lift.
C. Orificemeter.
D. Venturimeter.

194. Which of the following devices measures the velocity of flow?.
A. Pitot tube.
B. Venturimeter.
C. Orificemeter.
D. Hydraulic jacks.

195. Which of the following is the coefficient of pitot tube?.
A. 0.96.
B. 0.98.
C. 0.97.
D. 0.95.

196. Bernoulli’s equation is applicable only for ___________ flow..
A. Rotational.
C. Compressible.

197. Flow of water when a tap is just open is an example of __________ flow..
A. Uniform.
D. Turbulent.

198. A Straight cantilever of uniform area carries a udl over its entire length. If the free end of a cantilever is now prop at the level of the fixed end, the vertical force required at the prop be __________.
A. 3/4 W.
B. 3/8 W.
C. 5/8 W.
D. W.

199. ____________ is used to empty a tank of water having no outlet..
A. Venacontracta.
B. Syphon.
C. Summit.
D. Dyne.

200. Find out the elongation of a tie of 2m long, if the axial rigidity is 5000 × 10^4 mm^2. The axial pull be 20 kN..
A. 0.8 mm.
B. 0.6 mm.
C. 0.5 mm.
D. 1mm.

201. Glass is an example of _________.
A. Elastic.
B. Brittle.
C. Toughness.
D. Hardness.

202. The maximum negative bending moment in fixed beam carrying udl occurs at ________.
A. Mid span.
B. 1/3 of the span.
C. Supports.
D. Half of the span.

203. A fixed beam of the uniform section is carrying a point load at the centre, if the moment of inertia of the middle half portion is reduced to half its previous value, then the fixed end moments will ______.
A. Increase.
B. Remains constant.
C. Decrease.
D. Change their direction.

204. A propped cantilever beam carrying total load "W" distributed evenly over its entire length calculate the vertical force required in the prop..
A. 3/4 W.
B. W.
C. 5/8 W.
D. 3/8 W.

205. _____ is a small opening made in the bottom or sides of a tank..
A. Mouthpiece.
B. Orifice.
C. Sill.
D. Sluice.

206. A mouthpiece is a short length of a pipe which is not more than __________ times its diameter..
A. 43528.0.
B. 43591.0.
C. 43467.0.
D. 43499.0.

207. The section which has a minimum cross sectional are in a flow is known as _______.
A. Vena contracta.
C. Submergent.
D. Upstream edge.

208. Bell mouthed orifices can be categorised in according to ___________.
A. Size.
B. Shape.
C. Shape of upstream.
D. Nature of discharge.

209. Which of the following is not a hydraulic coefficient?.
A. Coefficient of contraction.
B. Coefficient of discharge.
C. Coefficient of viscosity.
D. Coefficient of velocity.

210. Theorotical velocity = _______.
A. (2gh)^1/3.
B. (2gh)^1/2.
C. (2gh)^1/4.
D. 2gh.

211. The Cv taken for sharp edged orifice generally is _________.
A. 0.97.
B. 0.98.
C. 0.95.
D. 0.99.

212. Coeffecient of discharge varies from ___________ to __________.
A. 0.64 to 0.68.
B. 0.61 to 0.65.
C. 0.63 to 0.67.
D. 0.67 to 0.7.

213. Calculate the actual velocity of jet if the coefficient of velocity is 0.97. The head of water on the orifice of diameter 2 cm is 6 m..
A. 11 m/s.
B. 12 m/s.
C. 10.5 m/s.
D. 13 m/s.

214. _________ is a structure made up of several members connected to each other..
A. Frame.
B. Form work.
C. Strut.
D. Caisson.

215. A frame which is composed of members just sufficient to keep it in equilibrium, such frame is ___________.
A. Redundant frame.
B. Perfect frame.
C. Imperfect frame.
D. Deficient frame.

216. In the equation m = 2j-3 ; the letter "j" stands for __________.
A. Joists.
B. Junctions.
C. Joints.
D. Jumble.

217. In statically determinate structures _______ is independent..
A. Shear force.
B. Bending moment.
C. Shear stress.

218. What is the splay provided in splayed wing walls?.
A. 30°.
B. 45°.
C. 60°.
D. 90°.

219. The wing wall resembling the letter "U" in plan, is ___________.
A. Return wing wall.
B. Approach wing wall.
C. Splayed wing wall.
D. Straight wing wall.

220. __________ coat develop resistant texture..
A. Prime coat.
B. Seal coat.
C. Tack coat.
D. Open coat.

221. Which of the following roads (pavements) does not develop any corrugations?.
A. Bituminous.
B. Concrete.
D. Asphalt.

222. Which of the following is the weakest part in the railway track?.
A. Rail joint.
B. Plates.
C. Spikes.
D. Lugs.

223. Sabotage problem is eliminated in _______.
A. Round spike.
B. Dog spike.
C. Screw spike.
D. Polar spike.

224. ________ are made of high carbon steel to withstand heavy stresses..
A. Fish plates.
B. Fish bolts.
C. Spikes.
D. Lugs.

225. For each sleeper _______ pandrol clips are used..
A. 3.0.
B. 2.0.
C. 4.0.
D. 5.0.

226. The Wheels of Rolling stock have slope ________.
A. 1 in 10.
B. 1 in 15.
C. 1 in 20.
D. 1 in 30.

227. ________ are transverse ties on which the rails are laid..
A. Lugs.
B. Sleepers.
C. Spikes.
D. Clips.

228. _______ permits track circuiting..
A. Clips.
B. Rails.
C. Spikes.
D. Sleepers.

229. The Velocity at which flow changes from viscous to turbulent is called __________ velocity..
A. Critical.
B. Frictional.
C. Relative.
D. Nominal.

230. Flow in circular pipes will be turbulent is Reynolds number is _________.
A. < 2800.
B. > 2800.
C.  2800.
D. ~ 2800.

231. _____ number is the ratio between inertia and viscous forces..
A. Lamina’s.
B. Parker’s.
D. Reynold’s.

232. The frictional resistance is ______ to the surface area of contact..
A. Inversely proportional.
B. Directly proportional.
C. Equal.
D. Not equal.

233. ___________ flow the liquid particles move along straight parallel paths..
C. Laminar.
D. Turbulent.

234. The __________ resistance is independent of the nature of surface contact..
A. Frictional.
B. Skid.
C. Shear.
D. Coupling.

235. Calculate the specific weight of oil. If the specific gravity is 0.95. Take specific weight of water is 1000 kg/m^3..
A. 750 kg/m^3.
B. 850 kg/m^3.
C. 950 kg/m^3.
D. 1250 kg/m^3.

236. In _______ liquid flows under atmospheric pressure..
A. Pipe flow.
B. Open channel.
C. Stream.
D. Aqueduct.

237. The energy gradient line is _______ to drop in bed, in an open channel..
A. Equal.
B. Parallel.
C. Perpendicular.
D. Unequal.

238. Aqueduct is an example of __________ channel..
A. Natural.
B. Prismatic.
C. Non prismatic.
D. Artificial.

239. Rectangular channel is _________ channel..
A. non Prismatic.
B. Prismatic.
C. Natural.
D. Artificial.

240. Expand RVF _________.
A. Rapid Vary Fluid.
B. Rise in Virtual Flow.
C. Rapidly Varied flow.
D. Rapidly Viscous flow.

241. Froude number is the ratio of inertial force to the _________ force..
A. Shear.
B. Gravity.
C. Uplift.
D. Viscous.

242. For super critical flow, Fr _________ 1..
A. >.
B. <.
C. =.
D. ~.

243. If the thickness of plate is negligible when compared to the diameter of the cylindrical, then it is called __________.
A. Thick cylinder.
B. Thin cylinder.
C. Hoop cylinder.
D. Circumferential cylinder.

244. Oil tanks, steam boilers, gas pipes are examples of _____________.
A. Thick shells.
B. Thin cylinders.
C. Hoop cylinders.
D. Longitudinal cylinders.

245. In _________ shells, the stress distribution is not uniform over the thickness of the material..
A. Thick.
B. Thin.
C. Hoop.
D. Circumferential.

246. Hydraulic radius is denoted by _________.
A. T.
B. A.
C. R.
D. N.

247. Hydraulic depth is a ratio of wetted area to _____.
A. Bottom width.
B. Top width.
C. Diameter.

248. What is the hydraulic depth (D) of a rectangular section?.
A. y.
B. 1/3 y.
C. y^2.
D. y/5.

249. In manning’s formula, V = 1/n×m^2/3×i^(1/2). N stands for ___________.
A. Coefficient of viscosity.
B. Coefficient of rugosity.
C. Coefficient of runoff.
D. Coefficient of friction.

250. What is the coefficient of rugosity for brick lined surface?.
A. 0.011.
B. 0.012.
C. 0.015.
D. 0.013.

251. Most economical section is also called as __________.
A. Most active section.
B. Most effective section.
C. Most efficient section.
D. Superior section.

252. For most economical section __________ should be minimum..
A. P.
B. A.
C. R.
D. N.

253. A rectangular channel has cross sectional area of 50 m^2. If the channel section is to be most economical calculate the depth. Take B = 10m..
A. 10 m.
B. 5 m.
C. 8 m.
D. 12 m.

254. _________ are used to change the water level in a canal..
A. Sluice gates.
B. Lock gates.
C. Check gates.
D. Scour gates.

255. The flow of water is controlled in hydraulic structures by ____________.
A. Sluice gates.
B. Check gates.
C. Lock gates.
D. Drain gates.

256. The units of discharge are _____________.
A. m/s.
B. m^2/s.
C. m^3/s.
D. m.

257. The stress acts tangential to circumference is called ______ stress..
A. Hoop.
B. Fluid.
C. Longitudinal.
D. Yield.

258. The hoop stress is _____________ along the x axis..
A. Tensile.
B. Parabolic.
C. Compressed.
D. Transverse.

259. The cylinder has a tendency to split up along _____________ due to circumferential stress..
A. Area.
C. Diameter.
D. Length.

260. ____________ is half the circumferential stress..
A. Hoop stress.
B. Longitudinal stress.
C. Fluid stress.
D. Transverse stress.

261. Which of the following is also known as axial stress?.
A. Shear stress.
B. Longitudinal stress.
C. Bending stress.
D. Hoop stress.

262. The layers of wood wearing thickness from ____________ to __________ is called veneers..
A. 0.4 to 0.6 mm.
B. 0.5 to 0.8 mm.
C. 0.4 to 0.6 mm.
D. 0.5 to 0.7 mm.
Answer = 0.4 to 0.6 mm

263. _____________ is used as decorative facings..
A. Plywood.
B. Veneers.
C. Ply ware.
D. Battens.

264. Which of the following is known as block board?.
A. Batten board.
B. Plywood.
C. Fiber board.
D. Veneer.

265. Which of the following is also known as pressed woods?.
A. Ply wood.
B. Ply ware.
C. Batten board.
D. Fiber wood.

266. Which of the following boards are used in making partitions covering?.
A. Lamin boards.
B. Particle boards.
C. Straw boards.
D. Eco board.

267. ____________ boards are manufactured from sugarcane waste obtained from bagasse..
A. Eco board.
B. Straw board.
C. Lamin board.
D. Particle board.

268. Plastic is a ____________ substance..
A. Eco friendly.
B. Inorganic.
C. Organic.
D. Natural.

269. Plastic possess tensile strength of _______________.
A. 4.2 tonnes/cm^2.
B. 5.6 tonnes/cm^2.
C. 3.4 tonnes/cm^2.
D. 4.8 tonnes/cm^2.

270. ________ is an example of thermoplastic..
A. Shellac.
B. Bakelite.
C. Phenol formaldehyde.
D. Urea formaldehyde.

271. What is the minimum percentage of reinforcement provided in mild steel?.
A. 0.12 % of gross area.
B. 0.15 % of gross area.
C. 0.18 % of gross area.
D. 0.2 % of gross area.
Answer = 0.15 % of gross area

272. Which of the following stress can also be known as hoop stress?.
A. Axial stress.
B. Longitudinal stress.
C. Fluid stress.
D. Circumferential stress.

273. A water main of 1.5 m diameter and 20 mm thick is subjected to an pressure of 1.5N/mm^2. Calculate the circumferential stress induced in the pipe..
A. 78.65 N/mm^2.
B. 68.45 N/mm^2.
C. 56.25 N/mm^2.
D. 60.85 N/mm^2.

274. Which of the following method is also known as overhead irrigation method?.
A. Drip Irrigation.
B. Sprinkler.
C. Contour.
D. Check flooding.

275. The average diameter of particles of silt is __________.
A. 0.08mm.
B. 0.002 mm.
C. 1.2 mm.
D. 0.011.

276. pH is measured in ____.
A. gram / litre.
B. gram/cm.
C. cusecs.
D. cumecs.

277. Soil moisture stress is defined as the sum of soil moisture tension and ______ pressure of soil solution..
A. Weed.
B. Perforated.
C. Osmatic.
D. Uplift.

278. In coarse textured sandy soils, the field capacity can be achieved in _________.
A. 1 to 3 days.
B. 2 to 5 days.
C. 3 to 7 days.
D. 5 to 8 days.
Answer = 1 to 3 days

279. Acid in the rain was first detected by ___________.
A. Lacy Film.
B. Angus smith.
C. Graeme Robert.
D. Mesh swann.

280. _________ causes deterioration of buildings and monuments..
A. Acid rain.
B. Green house effect.
C. Global warning.
D. Ozone layer depletion.

281. Expand CFC _________.
A. Chlorofluorochloride.
B. Carbonfluorochlorine.
C. Chlorofluorocarbon.

282. ______ is mainly responsible for ozone depletion in the stratosphere..
A. CFC.
B. MNC.
C. ESC.
D. FSC.

283. Fossil fuels are example for ________.
A. Exhaustible resources.
B. Renewable resources.
C. Non renewable resources.
D. Inexhaustible resources.

284. Nuclear energy is __________.
A. Renewable energy resource.
B. Non renewable energy resource.
C. Exhaustible resource.
D. Inexhaustible resource.
Answer = Non renewable energy resource

285. Geothermal Energy is _________.
A. Renewable energy resource.
B. Natural resource.
C. Sustainable resource.
D. Exhaustible resource.

286. The study of ecosystems is known as _________.
A. Echography.
B. Bibliograph.
C. Ecology.
D. Biology.

287. The longitudinal stress is _____ stress across the section..
A. Shear.
B. Bending.
C. Tensile.
D. Compressive.

288. The longitudinal stress in the shell is _________.
A. pd/3t.
B. pd/4t.
C. pd/2t.
D. pd/6t.

289. The ratio of hoop stress to maximum shear stress is _________.
A. 2.0.
B. 3.0.
C. 4.0.
D. 6.0.

290. At any point on the circumference of the cylinder, the longitudinal and hoop stress are _______.
A. Parallel.
B. Equal.
C. Orthogonal.

291. Calculate the axial stress induced in the pipe is the water mean of 1.5 metres diameter and 20 mm thick is subjected to an internal pressure of 1.5 N/mm^2..
A. 28.125 N/mm^2.
B. 35.675 N/mm^2.
C. 46.785 N/mm^2.
D. 67.845 N/mm^2.

292. Saprotrophs are also known as _________.
A. Detritus Feeders.
B. Decomposers.
C. Tertiary consumers.
D. Omnivores.

293. Energy flows through the ecosystem in the form of __________ bonds..
A. C-C.
B. N-N.
C. O-O.
D. F-F.

294. ____________ is a network of food chain of different types of organisms..
A. Food web.
B. Food network.
C. Food system.
D. Food cache.

295. Ecological pyramids were first devised by __________.
A. Earnest Haeckel.
B. Roger Federer.
C. Charles Eltan.
D. Smith Nell.

296. Which of the following is correct?.
A. Phytoplankton-zooplanktons- fish.
B. Zooplanktons -protozoan-fish.
C. Grass- fish- zoo plankton.
D. Zooplanktons- phytoplankton-fish.

297. Wholesome water is also known as _________.
A. Palatable water.
B. Quality water.
C. Lethal water.
D. Toxic water.

298. Rate of demand is also known as __________.
A. Domestic demand.
B. Per capita demand.
C. Commercial demand.
D. Livestock demand.

299. Water works are generally design with design period of __________.
A. 25 years.
B. 30 years.
C. 45 years.
D. 50 years.

300. What is a design period for storage dam?.
A. 45 years.
B. 50 years.
C. 60 years.
D. 90 years.

301. Calculate the hoop stress at the bottom of penstock, if a steel penstock of 1 m and 10 mm thick is subjected to 100m head of water. Take w = 9.81 kN/m^3..
A. 49 N/mm^2.
B. 47 N/mm^2.
C. 45 N/mm^2.
D. 43 N/mm^2.

302. Maximum daily demand = _____ × Average daily demand..
A. 2.5.
B. 3.5.
C. 1.5.
D. 4.0.

303. Which of the following is not a short term estimate in population forecast?.
A. Graphical comparison.
B. Geometrical increase method.
C. Arithmetical increase method.
D. Graphical extension method.

304. Pn = P[1+r/100]^n is a formula used in ___________.
A. Arithmetical increase method.
B. Incremental increase method.
C. Geometrical increase method.
D. Graphical extension method.

305. According to Freeman, estimate of fire demand can be made from the formula?.
A. Q = 3175 P.
B. Q = 2125 P.
C. Q = 1136.5 (P/5 +10).
D. Q = 2715 (P/5 + 10).
Answer = Q = 1136.5 (P/5 +10)

306. Fire hydrants are located in a main at a distance of ______________.
A. 200 to 250 m.
B. 150 to 200 m.
C. 100 to 150 m.
D. 50 to 100 m.
Answer = 100 to 150 m

307. In total consumption, losses account about __________.
A. 10.0.
B. 15.0.
C. 30.0.
D. 25.0.

308. _______ is integrated or summation hydrograph..
A. Mass curve.
B. Mild curve.
C. Ryve’s curve.
D. Dicken’s curve.

309. ___________ is an example of a subsurface source..
A. Streams.
B. Impounding reservoir.
C. Rivers.
D. Springs.

310. Infiltration wells are ____________ wells constructed in series..
A. Vertical.
B. Horizontal.
C. Inclined.

311. _______ are the horizontal tunnels laid along the banks of river..
A. Infiltration wells.
B. infiltration reservoir.
C. infiltration galleries.
D. infiltration Springs.

312. Carbonic acid is high in ______ springs..
A. Gravity.
B. Surface.
C. Artesian.
D. Erotic.

313. In _________ springs, that trench acts as a storage reservoir..
A. Surface.
B. Erotic.
C. Artesian.
D. Gravity.

314. Which of the following wells are also known as water table well?.
A. Deep wells.
B. Open wells.
C. Shallow wells.
D. Sunk wells.

315. Calculate the strain energy of a member bearing stress of 0.0366 N/mm^2. If the length of the member is 1 m and a cross section area is 60000mm^2. Take E = 2 × 10^5 N/mm^2..
A. 0.4 Nmm.
B. 0.5 Nmm.
C. 0.6 Nmm.
D. 0.2 Nmm.

316. Calculate the longitudinal strain, if internal pressure is 1.2 N/mm^2 and 1 m in diameter along with 10 mm thickness. Take E = 2 × 10^5N/mm^2 and Poisson’s ratio as 0.3..
A. 6.0E-5.
B. 6.0E-4.
C. 0.006.
D. 0.06.

317. Distribution bars are also known as __________.
A. Transverse bars.
C. Flexural bars.
D. Regant bars.

318. _______ is a saturated bed, which yields water..
A. Aquitard.
B. Aquiclude.
C. Aquifer.
D. Aquifuge.

319. _______ possesses free surface open to the atmosphere..
A. Aquitard.
B. Aquifuge.
C. Unconfined aquifer.
D. Aquiclude.

320. What is the porosity percentage in gravel?.
A. 30 – 40 %.
B. 50 – 60 %.
C. 10 – 20 %.
D. 1 – 10 %.
Answer = 30 – 40 %

321. __________ is a measure of its water yielding capacity..
A. Specific capacity.
B. Specific weight.
C. Specific yield.
D. Yield capacity.

322. _______ is a measure of ease of flow of groundwater..
A. Permeability.
B. Porosity.
C. Voids ratio.
D. Impermeability.

323. Piezometric surface is a ____________ surface..
A. Real.
B. Imaginary.
C. Stationary.
D. Motive.

324. _________ is a measure of the water retaining capacity of material (rock)..
A. Specific capacity.
B. Specific yield.
C. Specific retention.
D. Specific.

325. Draw down is also known as __________.

326. The porosity range of sand stone be _________.
A. 45 – 55 %.
B. 20 – 25 %.
C. 10 – 20 %.
D. 1 – 10 %.
Answer = 10 – 20 %

327. Calculate thickness of metal, if the pressure inside the water main is 0.6 N/mm^2. The diameter of water main is 600 mm. Take hoop stress = 25 N/mm^2..
A. 7.20 mm.
B. 9.45 mm.
C. 10.58 mm.
D. 12.24 mm.

328. Ratio of lateral strain to linear strain is _________.
A. Poisson’s ratio.
B. Shear strength.
C. Shear modulus.
D. Bulk modulus.

329. Torsional modulus is ___________ to torsional strength..
A. Inversely proportional.
B. Directly proportional.
C. Equal.
D. Unequal.

330. _______ torque produces the maximum shear stress due to combined bending..
A. Seasonal.
B. Equipment.
C. Composite.
D. Series.

331. _______ is the structures installed for the purpose of drawing water..
A. Intakes.
B. Conduits.
C. Valves.
D. Springs.

332. _______ is an example of a gravity conduit..
A. C I pipes.
B. Flumes.
C. W I pipes.
D. Steel pipes.

333. ________ is the gravity conduits used while crossing a hill or lock..
A. Flumes.
B. Aqueducts.
C. Canals.
D. Tunnels.

334. In aqueduct, the nominal flow of velocity be ________.
A. 0.5 m/s.
B. 0.9 m/s.
C. 0.6 m/s.
D. 0.8 m/s.

335. _____________ coincides with the water surface in a canal or open channel..
A. HGL.
B. TEL.
C. TWL.
D. HTL.

336. Pressure conduits are also known as _______.
A. Pipe conduits.
B. Gravity conduits.
C. Artesian conduits.
D. Surface conduits.

337. What is the flow of velocity in the pressure conduit?.
A. 0.5 to 0.6 m/s.
B. 0.6 to 0.7 m/s.
C. 0.6 to 0.8 m/s.
D. 0.8 to 1 m/s.
Answer = 0.6 to 0.8 m/s

338. Pressure conduits with steel pipes varies diameter _______.
A. 2500 mm.
B. 3000 mm.
C. 3500 mm.
D. 4000 mm.

339. Which of the following conduits possess low resistance to acid nature?.
A. RCC pipes.
B. PVC pipes.
C. Steel pipes.
D. PSC pipes.

340. _______ pipes are not easily biodegradable..
A. RCC.
B. PSC.
C. PVC.
D. G I.

341. Expand HDPE?.
A. High Density Polyvinyl Pipe.
B. High Density Polyethylene Pipe.
C. High Deformed Polyvinyl Pipe.
D. High Deformed Polyethene Pipe.
Answer = High Density Polyethylene Pipe

342. _______ conduits are 1/10 weight of concrete..
A. PVC.
B. GRP.
C. RCC.
D. CI.

343. __________ stress does not exceed the permissible tensile stress for the shell material..
A. Axial.
B. Longitudinal.
C. Hoop.
D. Lateral.

344. To determine hoop stress, efficiency of _________ is to be considered..
A. Construction joint.
B. Transverse joint.
C. Longitudinal joint.
D. Rivet joint.

345. Cast Iron pipes are being joined a _________.
A. Flange joint.
B. Expansion joint.
C. Socket and spigot joint.
D. Simplex joint.
Answer = Socket and spigot joint

346. Bell joint is also known as ___________.
A. Spigot joint.
B. Expansion joint.
C. Socket joint.
D. Simplex joint.

347. Which of the following joint is a simplex joint?.
A. Flanged joint.
B. Socket and spigot joint.
C. AC pipe joint.
D. Expansion joint.

348. The mortise and tenon are provided in __________ joint..
A. Concrete.
B. Spigot.
C. A C pipe.
D. Flanged.

349. ________ head should be higher than working head in a hydraulic test..
A. Pressure.
B. Water.
C. Working.
D. Gauge.

350. Leakage should be nil or minimum by following equation Q = ___________ × ND (P)1/2..
A. 511401.0.
B. 511373.0.
C. 511432.0.
D. 109634.0.

351. _______ is used to magnify the sound for detecting leakage..
A. Aquagaurd.
B. Otoscope.
C. Sonoscope.
D. Horoscope.

352. Which of the following is not a leakage detection method?.
A. Direct observation.
B. By plotting HGL.
C. Pipe corrosion.
D. Sounding rod.

353. Which of the following is not a cause of corrosion?.
A. The cathodic reaction.
B. Depolarization.
C. Reaction of metal ions.
D. Proper pipe material.

354. A pipe sunk into the ground to draw the underground water is known as ___________.
A. An open well.
B. A tube well.
C. An artesian well.
D. An infiltration well.

355. Which of the following well is also known as flowing well?.
A. Gravity well.
B. Artesian well.
C. Drilled wells.
D. Driven wells.

356. The water bearing strata is known as _________.
A. An aquifer.
B. An aquiclude.
C. An aquifuge.
D. An aquitard.

357. The difference in levels of water in a well before and after pumping is called ________.
A. Cone of depression.
B. Yield.
C. Draw down.
D. Water table.

358. A cylindrical section having no joint is known as _____________.
A. Seamless section.
B. Efficient section.
C. Rivet less section.
D. Anchorage section.

359. Strength of joint = efficiency × __________.
A. Strength of section.
B. Depth of plate.
C. Length of plate.
D. Strength of plate.

360. The presence of calcium and magnesium chloride in water causes ___________.
A. Hardness.
C. Turbidity.
D. Softening.

361. The calcium carbonate in water is _____________.
B. Increases hardness of water.
C. Causes turbidity.
D. Softens water.

362. Red colour in water denotes?.
A. Mn.
B. Fe.
C. Nacl.
D. Ca.

363. The water of the river has an important property known as __________.
A. Turbidity.
B. Permeability.
C. Infiltration capacity.
D. Self purification.

364. The type of joint provided to release thermal stresses is called _______.
A. Socket and spigot joint.
B. Expansion joint.
C. Flash joint.
D. Simplex joint.

365. In __________ pipes, the discharging capacity reduces as the life period increases..
A. Galvanised Iron.
B. Cast Iron.
C. PVC.
D. Steel.

366. Isolated __________ decrease stability in the ecosystem..
A. Food web.
B. Food chain.
C. Food pyramid.
D. Food numbers.

367. The presence of hydrogen sulphide in water causes ________.
B. Acidity.
C. Basicity.
D. Softening.

368. The turbidity in water is expressed in terms of ________.
A. pH value.
B. Silica scale.
C. Ppm.
D. Platinum cobalt scale.

369. NTU is measurement unit of _______.
A. Turbidity.
B. Chlorines.
C. Hardness.
D. Colour.

370. Taste and odour are expressed in terms of ______.
A. GTU.
B. Threshold numbers.
C. Silica scale.
D. Ppm.

371. The water is considered soft when the ppm is between _______.
A. 0 – 50.
B. 50 – 100.
C. 100 – 150.
D. Over 250.

372. Expand MPN?.
A. Maximum proximity number.
B. Most probable number.
C. Membrane plate notation.
D. Maximum probable notation.

373. _______ is as the maximum energy that can be absorbed within the proportionality limit..
A. Proof resilience.
B. Modulus of resilience.
C. Impact resilience.
D. Resilience.

374. The compressive strength of brittle materials is _________ its tensile strength..
A. Equal to.
B. Less than.
C. Greater than.
D. As same as.

375. The tensile test is carried on ________ material..
A. Ductile.
B. Brittle.
C. Malleable.
D. Plastic.

376. The breaking stress is ____________ the ultimate stress..
A. Equal to.
B. Less than.
C. Greater than.
D. As same as.

377. The ductility of a material is __________ to the increase in percentage reduction in an area..
A. inversely proportional.
B. directly proportional.
C. equal.
D. uniform.

378. The odour of water can be determined by _________.
A. Jackson turbidometer.
B. Osmoscope.
C. Thermometer.
D. Sonoscope.

379. The colour of water is expressed in terms of ________.
A. pH value.
B. Silica scale.
C. Platinum cobalt scale.
D. Ppm.

380. High turbidity of water can be determined by __________.
A. Hellipe turbidometer.
B. Baylis turbidometer.
C. Jackson’s turbidometer.
D. Turbidity rod.

381. The maximum permissible total solid content in water for domestic purposes should not exceed..
A. 350 ppm.
B. 600 ppm.
C. 500 ppm.
D. 1000 ppm.

382. Membrane filter technique is used for testing?.
A. Copper.
B. E -coli.
C. Bacteria.
D. Boron.

383. E – coli was formerly known as _________.
A. F. Coli.
B. B. Coli.
C. G. Coli.
D. R. Coli.

384. ______ sample collected at an instant particularly..
A. Composite.
B. Grab.
C. Integrated.
D. Differential.

385. Which of the following samples is also known as catch sample?.
A. Integrated.
B. Composite.
C. Grab.
D. Scratch.

386. If fluoride concentration in drinking water increases to more than ______ ppm, it causes fluorosis..
A. 2.5.
B. 2.0.
C. 1.5.
D. 3.0.

387. What is the desirable limit for sulphates in drinking water?.
A. 180 ng/L.
B. 230 mg/L.
C. 150 mg/L.
D. 340 mg/L.

388. __________ is a framed structure composed of members..
A. Purlin.
B. Gussets.
C. Ridge tops.
D. Truss.

389. Trusses are subjected to ___________ stress..
A. Compressive.
B. Tensile.
C. Direct.
D. Lateral.

390. Trusses are adopted for ___________ span..
A. Medium.
B. Short.
C. Very large.
D. Large.

391. The top line of roof truss is called as ___________.
A. Eves.
B. Main tie.
C. Pitch.
D. Ridge line.

392. If the members connected don’t lie in the same plane, then structures are called __________.
A. Space truss.
B. Plane truss.
C. Main truss.
D. Foot truss.

393. King post trusses are used for spans ______.
A. 5 to 8 m.
B. 6 to 9 m.
C. 4 to 6 m.
D. 6 to 8 m.
Answer = 6 to 9 m

394. ________ shape of the frame offers great rigidity..
A. Trapezoidal.
B. Triangular.
C. Rectangular.
D. Square.

395. Which of the following roof are used on small sheds and veranda opening?.
A. Couple roof.
B. Collar roof.
C. Pent roof.
D. Purlin roof.

396. The joints in king post are of ________.
A. Butt.
B. Welded.
C. Mortice and tenon.
D. Lap.

397. About ____________ % volume of concrete is occupied by aggregates..
A. 0.6.
B. 0.5.
C. 0.75.
D. 0.3.

398. Which of the following cement is used for marine structures?.
A. Rapid hardening cement.
B. Hydrophobic cement.
C. High Alumina cement.
D. Super sulphated cement.

399. IS: 455 is associated with ____________.
A. Portland slag cement.
B. Ordinary Portland cement.
C. High alumina cement.
D. Super sulphated cement.

400. Which of the following is used as retarding admixture?.
A. Calcium chloride.
B. Fluosilicates.
C. Treitanlamine.
D. Starch.

401. Polyhydroxy compounds are ________.

D. Superplasticizers.

403. The economical spacing of roof trusses works out to be _________ span..
A. 1/2 to 1/5 span.
B. 1/3 to 1/5 span.
C. 1/2 to 1/3 span.
D. 1/4 to 1/6 span.
Answer = 1/3 to 1/5 span

404. The top chord members of roof truss is called ___________.
A. Common rafters.
B. Principal rafters.
C. Main tie.
D. Pitch.

405. The bottom chord member of truss is known as ___________.
A. Main tie.
B. Principal rafters.
C. Common rafters.
D. Purlins.

406. _______ is a roof beam supported by roof truss..
A. Ridge line.
B. Eve.
C. Principal rafter.
D. Purlins.

407. The ratio of rise to span of truss is called a ___________.
A. Slope.
B. Splay.
C. Pitch.
D. Tie.

408. The angle of repose is zero for ______________.
A. Water.
B. Masonry.
C. Soil.
D. Cement.

409. Biological Oxygen Demand (BOD) of safe drinking water must be ________.
A. 10.0.
B. 15.0.
C. 5.0.
D. 0.0.

410. The most common coagulant is _____________.
A. Magnesium sulphate.
B. Alum.
C. Chlorine.
D. Salt.

411. The process of forming thick gelatinous precipitates is known as ___________.
A. Sedimentation.
B. Flocculation.
C. Coagulation.
D. Filtration.

412. What is the desirable limit of calcium in drinking water?.
A. 45 mg/l.
B. 60 mg/l.
C. 75 mg/l.
D. 90 mg/l.

413. Oxidation is done in __________ method..
A. Sedimentation.
B. Filtration.
C. Coagulation.
D. Aeration.

414. Which of the following is a method of aeration?.
A. Mechanical straining.
C. Biological metabolism.
D. Electrolytic changes.

415. Which of the following is not a method of chlorination?.
A. As bleaching powder.
B. As free chlorine gas.
C. As chloramines.
D. Use of chloramines.

416. The stress corresponding to 0.2% of strain in the stress-strain curve is _________.
A. Proof stress.
B. Working stress.
C. Direct stress.
D. Tenacity.

417. _____________ of column mainly depends upon end conditions..
B. Slenderness ratio.
D. Effective length.

418. The hinged end is also known as ___________.
A. Fixed end.
B. Pinned end.
C. Rigid end.
D. Free end.

419. Long columns fail due to ____________.
A. Direct stress.
B. Buckling stress.
C. Lateral stress.
D. Tensile stress.

420. In short columns, the slenderness ratio is less than __________.
A. 32.0.
B. 64.0.
C. 56.0.
D. 28.0.

421. For ___________ columns, the slenderness ratio is more than 32 and less than 120..
A. Long.
B. Short.
C. Average.
D. Medium.

422. Radius of gyration is denoted by __________.
A. k.
B. g.
C. y.
D. s.

423. The __________ is the distance between Centres to centre of effective lateral ends..
A. Mean length.
B. Stripped length.
C. True length.
D. Actual length.

424. The slenderness ratio is the ratio of effective length to least ______________.
B. Actual length.
D. Factor of safety.

425. Which of the following is also known as the working load?.

426. Factor of safety is a ratio of crippling load to __________ load..

427. At ___________ load, the column is said to have developed an elastic instability..
A. Safe.
B. Working.
C. Factored.
D. Crippling.

428. The value of _________ is relatively high for short columns..

429. The slenderness ratio is ________ to critical stress..
A. Directly proportional.
B. Inversely proportional.
C. Equal.
D. Transverse.

430. For a given material length, end conditions and equal area the shape of the column which is most efficient as per Euler’s is _________.
A. Square.
B. Circular.
C. I section.
D. Tubular.

431. What is the rankines constant for cast iron?.
A. 36526.0.
B. 182623.0.
C. 1/ 1600.
D. 1/ 1800.

A. Moment of inertia.
B. Effective length.
C. Core.

433. What is the effective length of a column at both ends fixed?.
A. l/3.
B. l.
C. l/2.
D. 2×l.

434. Which of the following is the method of removing the temporary hardness of water?.
A. Lime soda method.
B. Base exchange process.
C. Boiling.
D. Chlorination.

435. The application of chlorine beyond the stage of break point is _________.
A. Double chlorination.
B. Post pollination.
C. Super chlorination.
D. Breakpoint chlorination.

436. Which of the following methods of disinfection is usually adopted in swimming pools?.
A. Excess lime treatment.
B. Iodine – Bromine method.
C. Pottasium permanganate method.
D. Ultraviolet rays method.

437. Hardness due to calcium bi carbonate can be removed by ___________.
A. Boiling.
B. Excessive lime.
C. Zeolite.
D. Soda treatment.

438. __________ is used for spans ranging from 9 m to 15 m..
A. King post truss.
B. Queen post truss.
C. Coral truss.
D. Roof truss.

439. __________ is provided to prevent the movement of the post due to loads in Queen post truss..
A. Purlin.
B. Eaves board.
C. Straining beam.
D. Ridge beam.

440. ___________ is a combination of king post truss and queen post truss..
A. Steel slope truss.
B. Pratt truss.
C. Mansard roof truss.
D. Fan truss.

441. In mansard truss, the upper slope is _________.
A. 45°.
B. 30°.
C. 60°.
D. 90°.

442. _______ trusses are generally adopted for greater fans..
A. Timber.
B. Cast Iron.
C. Steel.
D. AC.

443. Steel trusses are generally constructed with __________.
A. Mild steel.
B. HYSD steel.
C. TMT steel.
D. JSW steel.

444. __________ consists generally of single or double angles..
A. Strut.
B. Column.
C. Pillar.
D. Stanchion.

445. A queen closer is placed after ______ in the heading course..
B. Brick bat.
D. Stretcher.

446. The size of frog in bricks is ___________.
A. 10×4×4 cm.
B. 10×9×4 cm.
C. 10×4×1 cm.
D. 9×9×4 cm.

447. Eccentrically loaded columns have to be designed for combined axial and ________.
A. Shear force.
B. Bending moments.
C. Torsion.
D. Creep.

448. What is the recommended value of effective length if the column is effectively held in position and fixed against rotation in both ends?.
A. 0.8 l.
B. 0.5 l.
C. 0.65 l.
D. 0.9 l.

449. What is the minimum value of eccentricity provided in columns?.
A. 50 mm.
B. 20 mm.
C. 30 mm.
D. 45 mm.

450. The strength of the column with helical reinforcement shall be ____ times the strength of similar column with lateral ties..
A. 2.0.
B. 1.05.
C. 3.0.
D. 1.5.

451. The minimum diameter provided for the longitudinal bars is ________.
A. 15 mm.
B. 20 mm.
C. 12 mm.
D. 18 mm.

452. What is the minimum number of longitudinal bars provided in the rectangular column?.
A. 4.0.
B. 5.0.
C. 6.0.
D. 8.0.

453. The ends of ________ shall be properly anchored..
A. Longitudinal reinforcement.
B. Transverse reinforcement.
C. Torsional reinforcement.
D. Shear reinforcement.

454. For longitudinal reinforcing bar, the nominal cover should not be less than ___________.
A. 30 mm.
B. 20 mm.
C. 40 mm.
D. 50 mm.

455. Which of the following reservoirs is also known as ___________.
A. Ground service reservoirs.
B. Elevated reservoirs.
D. Storey reservoirs.

456. A system in which water is supplied only for fixed few hours, such system is called ____.
A. Closed.
B. Intermittent.
C. Combined.
D. Lift.

457. In ___________ system, air relief valves are not required..
A. Gravity.
B. Intermittent.
C. Continuous.
D. Grid.

458. Which of the following is one of the layouts of distribution systems?.
A. Dual system.
B. Gravity system.
C. Grid Iron system.
D. Pressure system.

459. Which of the following system is also known as an interlaced system?.
A. Tree system.
B. Grid iron system.
C. Circle system.

460. Which of the following is also known as a ring system?.
A. Circle.
B. Reticulation.
D. Interlaced.

461. Varignon’s theorem is called as _________.
A. Principle of Forces.
B. Principle of moments.
C. Principle of points.
D. Theory of couple.

462. ___________ formula can be used only for long columns..
A. Euler’s.
B. Rankine’s.
C. Swift’s.
D. Johnson’s.

463. In Euler’s formula, the column fails due to __________ alone..
A. Shear.
B. Torsion.
C. Tension.
D. Bending.

464. The __________ joints are friction less..
A. Free.
B. Pin.
C. Roller.
D. Fixed.

465. __________ formula is used for determining short as well as long columns..
A. Gilbert’s.
B. Rankine’s.
C. Johnson’s.
D. Euler’s.

466. ________ attached to a Framework suspended from the main structure..
A. Cantering.
B. Shuttering.
C. Bracing.
D. Ceiling.

467. _________ type of ceiling is adopted in modern hotels and auditorium..
A. Plaster board.
B. Fibre board.
C. Decorative.
D. Joint less.

468. Upper floor is also known as ________.
A. Basement floor.
B. Suspended floor.
C. Supported floor.
D. Rigid floor.

469. Paving is also known as ___________.
A. Floor covering.
B. Sub floor.
D. Wearing course.

470. _________ floors are used in modern residential and religious buildings?.
A. Cement concrete.
B. Terrazzo.
C. Mosaic.
D. Timber.

471. Scaffolding has to be done, if the height of structure is above _________.
A. 1.2.
B. 1.4.
C. 1.5.
D. 1.8.

472. ________ scaffolding is used where it is not possible to fix the standards into the ground..
A. Suspended.
B. Cantilever.
C. Steel.
D. Brick layers.

473. __________ scaffolding is used for light construction and finishing works..
B. Brick layers.
C. Mason’s.
D. Suspended.

474. The step with one or both ends rounded is known as _________.
A. Point faced step.
B. Soffit.
C. Newel step.
D. Bull nose step.

475. The step of non uniform width is called ________.
A. Post.
B. Winder.
C. Filier.
D. Landing.

476. Calculate the Euler’s crippling load, if the effective length of column is 10 m take flexural rigidity as 6.14 × 10^10 Nmm^2..
A. 6 kN.
B. 8 kN.
C. 10 kN.
D. 12 kN.

477. A fine grained material is mostly ________.
A. Homogeneous.
B. Isotropic.
C. Isomeric.
D. Elastic.

478. The tangential force per unit area is _________.
A. Shear strain.
B. Shear stress.
C. Modulus of rigidity.
D. Torsion.

479. Which of the following is also known as pushing force?.
A. Tensile stress.
B. Compressive stress.
C. Shear stress.
D. Temperature stress.

480. Which of the following is also known as pulling force?.
A. Tensile stress.
B. Shear stress.
C. Lateral stress.
D. Axial stress.

481. Longitudinal strain is also known as ___________.
A. Direct strain.
B. Axial strain.
C. Indirect strain.
D. Shear strain.

482. Which of the following is also known as transverse strain?.
A. Tensile strain.
B. Compressive strain.
C. Shear strain.
D. Volumetric strain.

483. The hooks law is valid only for _________.
A. Uni axial forces.
B. Bi axial forces.
C. Tri axial forces.
D. Lateral forces.

484. Which of the following is also known as endurance limit?.
A. Proportionality limit.
B. Rupture limit.
C. Elastic limit.
D. Fatigue limit.

485. The ultimate strength in flexure is known as modulus of ________.
A. Toughness.
B. Rupture.
C. Resilience.
D. Hardening.

486. A material which ruptures with little or no plastic deformation is said to be ____________.
A. Ductile material.
B. Elastic material.
C. Plastic material.
D. Brittle material.

487. The stress which is just sufficient to cause a permanent set is known as ___________.
A. tenacity.
B. ultimate stress.
C. proof stress.
D. working stress.

488. For engineering materials, the poison’s ratio lies in the range of ___________.
A. 0 and 1.
B. -1 and 1.
C. -2 and 2.
D. 0 and 1/2.

489. For ductile materials, the factor of safety is the ratio of yield stress to ___________.
A. tenacity.
B. ultimate stress.
C. working stress.
D. shear stress.

490. A material having three mutually perpendicular planes of elastic symmetry is said to be _________.
A. Isotropic.
B. Autotrophic.
C. Orthotropic.
D. Anisotropic.

491. Calculate the elongation of the cable due to load, if a steel cable of 2 cm diameter is used to lift a load of 500 Ï€ kg. Given that and the length of cable is 10 m and E = 2×10^6 kg/cm^2..
A. 0.5 cm.
B. 0.3 cm.
C. 0.25 cm.
D. 0.4 cm.

492. A HYSD steel bar is 400 mm long. The lengths of the parts AB and BC of the bar is 200 mm each. It is loaded as P1 = 2000 kg and P2 = 1000 kg. Take diameter of AB as 2 cm and BC as 1 cm. The ratio of stresses in part AB to stresses in part BC is __________.
A. 0.2.
B. 0.75.
C. 0.5.
D. 1.5.

493. A retaining wall is related to _______.
A. Plane stress.
B. Plane strain.
C. Normal stress.
D. Normal strain.

494. _________ is a fix direction on the surface..
A. Bearing.
B. Meridian.
D. Lift lever.

495. Which of the following is also known as geographical meridian?.
A. True meridian.
B. Arbitrary meridian.
C. Magnetic meridian.
D. Post meridian.

496. _________ changes with place and time..
A. Bearing.
B. Magnetic bearing.
C. True bearing.
D. Arbitrary bearing.

497. ___________ is provided to avoid undue wear and tear of pivot points..
A. Magnetic needle.
B. Lifting pin and lever.
C. Object vane.
D. Break pin.
Answer = Lifting pin and lever

498. ________ stops the oscillations of the graduated ring..
A. Brake pin.
B. Eye vane.
C. Object vane.

499. The series of connected lines is known as ____________.
A. Reinforcing.
B. Traversing.
C. Guniting.
D. Bracing.

500. The time for which water is written in a settling tank is known as ________.
A. Virtual time.
B. Actual time.
C. Detention time.
D. Active time.

501. What is a detention time for mechanically cleaned tanks?.
A. 2 to 3 hours.
B. 2.5 to 4 hours.
C. 1.5 to 3 hours.
D. 4 to 6 hours.
Answer = 1.5 to 3 hours

502. The rate of filtration for rapid sand filter is ___________.
A. 3000 to 4500 lit/hr/m^2.
B. 4500 to 6500 lit/hr/m^2.
C. 3000 to 6000 lit/hr/m^2.
D. 4500 to 7000 lit/hr/m^2.
Answer = 3000 to 6000 lit/hr/m^2

503. Which of the following processes is known as zeolite?.
A. Demineralization process.
B. Deionized water.
C. Lime soda process.
D. Base exchange process.

504. The ratio of the yield of water from a rapid sand filter is __________.
A. 10.0.
B. 5.0.
C. 15.0.
D. 30.0.

505. _________ is a property of the free surface of a liquid..
A. Permeability.
B. Surface tension.
C. Capillarity.
D. Specific gravity.

506. Beams which are reinforced in both compression and tension sides are called as _______.
A. Dual reinforced beam.
B. Doubly reinforced beam.
C. Composite beam.

507. Doubly reinforced beams are provided when Mu _____ M..
A. =.
B. <.
C. >.
D. ~.

508. The doubly reinforced beams improve the ______ of the beam in earthquake regions..
A. Brittleness.
B. Elasticity.
C. Ductility.
D. Toughness.

509. What is the stress in compression, if d’/d value is 0.1 for Fe415 steel?.
A. 355 N/mm^2.
B. 353 N/mm^2.
C. 342 N/mm^2.
D. 329 N/mm^2.

510. The cracks seen on walls are due to _____ failure..
A. Flexural.
B. Compression.
C. Shear.
D. Torsional.

511. Bending is accompanied by _______.
A. Axial.
B. Eccentricity.
C. Shear.
D. Torsion.

512. The variation of shear stress is ____________.
A. Elliptical.
B. Hyperbolic.
C. Parabolic.
D. Circular.

513. What is the maximum shear stress for M20 grade concrete?.
A. 2.5 N/mm^2.
B. 2.8 N/mm^2.
C. 3 N/mm^2.
D. 3.5 N/mm^2.

514. ________ has to be provided against diagonal tensile stresses..
A. Longitudinal reinforcement.
B. Shear reinforcement.
C. Torsional reinforcement.
D. Transverse reinforcement.

515. Vertical stirrups are a form of _______ reinforcement..
A. Tension.
B. Shear.
C. Compression.
D. Torsion.

516. The shear to be resisted by shear reinforcement is given by ___________.
A. Vus = Vuc + Vu.
B. Vus = Vu + Vuc.
C. Vu = Vus – Vuc.
D. Vus = Vu – Vuc.
Answer = Vus = Vu – Vuc

517. The shear resistance of bent up bars shall not exceed __________ the total shear to be resisted..
A. 0.3.
B. 0.5.
C. 0.4.
D. 0.25.

518. What is the horsepower of the engine if the power is 219324 W..
A. 312.0.
B. 268.0.
C. 294.0.
D. 304.0.

519. A lift carry 10 persons each weighing 60 kg to the top storey of the building 100 m height. Calculate the potential energy acquired by the person..
A. 5.88 × 10^5 J.
B. 4.32 × 10^5 J.
C. 2.34 × 10^5J.
D. 1.16 × 10^5J.
Answer = 5.88 × 10^5 J

520. Calculate the maximum shear stress of a circular beam of 100 mm diameter, if the average shear stress is 0.63 N/mm^2..
A. 0.85 N/mm^2.
B. 1.2 N/mm^2.
C. 1.5 N/mm^2.
D. 2.1 N/mm^2.

521. Calculate the nominal shear stress, if a singly reinforced rectangular beam 230×450 mm effective depth is subjected to a factored load of 60 kN..
A. 0.6 N/mm^2.
B. 0.55 N/mm^2.
C. 0.4 N/mm^2.
D. 0.25 N/mm^2.

522. The minimum shear reinforcement is given by Asv/bSv = _______.
A. 0.4 /0.87 fy.
B. 0.5 /0.85 fy.
C. 0.6 /0.9 fy.
D. 0.35/ 0.6 fsc.

523. The ultimate shear force at a section of an RCC beam is 300 kN. The shear resisted by concrete is 77.5 kN. What is the shear for which shear reinforcement is required?.
A. 213.5 kN.
B. 220 kN.
C. 222.5 kN.
D. 122.5 kN.

524. Bond stress is a stress acting ___________ to the bar on the interface between reinforcement and concrete..
A. Perpendicular.
B. Parallel.
C. Normal.
D. Transverse.

525. ________ is developed due to adhesion between concrete and steel..
A. Shear.
B. Flexure.
C. Bond.
D. Creep.

526. Bond is developed due to _________.
A. Viscosity.
B. Gravity.
C. Friction.
D. Acoustics.

527. ___________ depends on grade of concrete and diameter of bar etc..
A. Shear stress.
B. Bond stress.
C. Bending.
D. Rupture.

528. Which of the following bond is also known as a local bond?.
A. Anchorage bond.
B. Fletched bond.
C. Flexural bond.
D. Composite bond.

529. _____________ bond arises when bar carrying certain force is terminated..
A. Anchorage.
B. Flexural.
C. Indemnity.
D. Equivalent.

530. The development length can be determined easily by _______ test..
A. Push out test.
B. Pull out test.
D. Slump cone test.

531. To improve the anchorage of bars ______ are provided in plain bars..
A. Standard hooks.
B. Stirrups.
C. Lateral ties.
D. Standard bends.

532. In case of HYSD bars ___________ are provided to increase anchorage length..
A. Lateral ties.
B. Helical reinforcement.
C. Standard hooks.
D. Standard bends.

533. Polar moment of inertia is denoted by ___________.
A. G.
B. J.
C. K.
D. M.

534. Calculate the moment of inertia of a hollow circular section whose external diameter is 60 mm and thickness is 5 mm about centroidal axis..
A. 315 m^2.
B. 320 m^4.
C. 330 m^4.
D. 345 m^4.

535. The effect of ___________ holes is to reduce the strength of connected plates..
A. Lap.
B. Weld.
C. Rivet.
D. Butt.

536. A cylinder section having no __________ is known as seamless section..
A. Moment.
B. Force.
C. Strength.
D. Joint.

537. A water main of 1 m in diameter and 25 mm thick is subjected to an internal pressure of 2.5 N/mm^2. Calculate the longitudinal stress induced..
A. 20 N/mm^2.
B. 25 N/mm^2.
C. 30 N/mm^2.
D. 35 N/mm^2.

538. What is the design Bond stress in plane bars intention for m^25 grade concrete?.
A. 1.2 N/mm^2.
B. 1.4 N/mm^2.
C. 2 N/mm^2.
D. 3 N/mm^2.

539. The value of design Bond stress in plain bars will increase in compression by __________.
A. 0.3.
B. 0.25.
C. 0.5.
D. 0.6.

540. What is the anchorage value of standard "U" type hook?.
A. 16 times the diameter of bar.
B. 12 times the diameter of bar.
C. 8 times the diameter of bar.
D. 4 times the diameter of bar.
Answer = 16 times the diameter of bar

541. The flexural bond is _________ at the section..
A. Zero.
B. Maximum.
C. Minimum.
D. Uniform.

542. _________ reinforcement is designed for sections where the bending moment is maximum..
A. Torsional.
B. Tension.
C. Shear.
D. Longitudinal.

543. In case of __________ beams, the 50% of bars are curtailed at a distance of 0.5 ×l..
A. Simply supported.
B. Cantilever.
C. Continuous.
D. Overhanging.

544. Splices are provided when the ________ bar available is less than that required..
A. Diameter.
B. Length.
C. Effective depth.
D. Number of.

545. Lap splices should not be used for bars larger than __________ mm..
A. 24 mm.
B. 42 mm.
C. 54 mm.
D. 36 mm.

546. According to IS 456: 2000; the span to depth ratio of a simply supported beam is ___________.
A. 7.0.
B. 20.0.
C. 26.0.
D. 32.0.

547. The __________ of the slab is governed by span to depth ratio..
A. Strength.
B. Stiffness.
C. Reinforcement.
D. Stability.

548. The material does not possessing any kind of elastic symmetry, then the material is said to be _______.
A. Isotropic.
B. Exo tropic.
C. Anisotropic.
D. Orthotropic.

549. What is the ratio of maximum deflection to maximum bending stress if a simply supported rectangular beam of span "L" and it carries a central load W..
A. L^2/12 Ed.
B. L^2/10 Ed.
C. L^2/ 4 Ed.
D. L^2/ 6 Ed.

550. In a cantilever of span subjected to a point load of w acting at a distance of (1/3) L from free end. The deflection under load will be.
A. WL^3/81 EI.
B. 14WL^3/ 81EI.
C. 8WL^3/81EI.
D. WL^3/64 EI.

551. The slabs whose corners are prevented from lifting are known as _________.
A. simply supported.
B. cantilever.
C. restrained.
D. suspended.

552. Which of the following layout is used for "Direct- Indirect system"..
B. Grid system.
C. Reticulated system.
D. Interlaced system.

553. ________ layout is best suited for well planned towns..
A. Tree system.
B. Ring system.
C. Reticulated system.

554. A ___ is used to prevent water from flowing back in the opposite direction..
A. Sluice valve.
B. Check valve.
C. Air valve.
D. Drain valve.

555. Scour valve in water distribution system is provided at ________.
A. High points.
B. Junction points.
C. Low points.
D. Key points.

556. _______ valves are known as "Washout " valves..
A. Drain valves.
B. Scour valves.
C. Check valves.
D. Sluice valves.

557. _____ reduces the pipe size from larger to smaller bore..
A. Aqua phone.
B. Tee.
C. Elbow.
D. Reducer.

558. The maximum pressure in (kg/cm^2) to which cast iron pipes may be subjected is _________.
A. 3.0.
B. 7.0.
C. 11.0.
D. 14.0.

559. The pipe extending from a stop cock to the storage tank is called ________.
A. Supply pipe.
B. Service pipe.
C. Street main.
D. Distribution pipe.

560. Calculate the elongation of the rod if you still out of 490 mm square area and 600 M long are subjected to an axial pull of 40 kN. Take E = 2×105N/mm^2..
A. 0.56 mm.
B. 0.78 mm.
C. 0.24 mm.
D. 0.16 mm.

561. The ratio of change in thickness to original thickness is known as ___________.
A. Lateral strain.
B. Linear strain.
C. Longitudinal strain.
D. Volumetric strain.

562. Resilience can also be termed as ___________.
A. Stress energy.
B. Strain energy.
C. Modulus.
D. Tenacity.

563. Mathematically, strain energy = _________.
A. Power.
B. Work done.
C. Young’s Modulus.
D. Energy.

564. Calculate the Strain energy stored in a body of stress 0.0366 N/mm^2. The cross sectional area is 60 m^2 and length of body is 1 m. Take E = 2×10^5 N/mm^2..
A. 0.2009 N.mm.
B. 0.0416 N.mm.
C. 0.0987 N.mm.
D. 0.1316 N.mm.

565. What are the units of measurement for wooden and steel trusses?.
A. 1 RM.
B. 1 N.o.
C. m^2.
D. m.

566. Which of the following methods is also known as individual wall method?.
A. Centre line method.
B. Alignment method.
C. Long wall and short wall method.
D. Voluminous method.
Answer = Long wall and short wall method

567. _______ gives the nature and class of work..
A. Estimate.
B. Specifications.
C. Tenders.
D. Survey.

568. In foundation concrete, coarse aggregate size should be __________.
A. 20 mm.
B. 30 mm.
C. 40 mm.
D. 50 mm.

569. What is the painting coefficient for flush doors?.
A. 2.3.
B. 2.4.
C. 3.4.
D. 3.6.

570. Which of the following rules is known as "Prismoidal Rule"?.
A. Mean sectional rule.
B. Trapezoidal rule.
C. Simpson’s rule.
D. Mid sectional rule.

571. Which of the following estimates is also known as a preliminary estimate?.
A. Detailed estimate.
B. Scientific estimate.
C. Approximate estimate.
D. Abstract estimate.

572. Service unit method is related to ___________ estimate..
A. Abstract.
B. Approximate.
C. Detailed.
D. Cubic content.

573. By ___________ estimate, a technical sanction is obtained..
A. Approximate.
B. Detailed.
C. Abstract.
D. Preliminary.

574. Which of the following is an exact estimate?.
A. Abstract.
B. Detailed.
C. Rough.
D. Preliminary.

575. Calculate the instantaneous elongation if a steel rod of 40 mm and 4 m long subjected to an axial pull of 80 kN. Take E = 2×10^5 N/mm^2..
A. 1.23 mm.
B. 1.27 mm.
C. 1.31 mm.
D. 1.43 mm.

576. The weakest section of a diamond riveting, is the section which passes through.
A. first row.
B. second row.
C. central raw.
D. one rivet hole of end row..

577. In a loaded beam, the point of con-traflexture occurs at a section where.
A. bending moment is minimum.
B. bending moment is zero or changes sign.
C. bending moment is maximum.
D. shearing force is maximum.
Answer = bending moment is zero or changes sign

578. A three-hinged arch is said to be :.
A. statically determinate structure.
B. statically indeterminate structure.
C. a bent beam.
D. none of these..

579. The shape of the bending moment diagram over the length of a beam, having no external load, is always.
A. linear.
B. parabolic.
C. cubical.
D. circular..

580. Pick up the incorrect statement.
A. The cross-sectional area of the welded member is effective.
B. A welded joint develops strength of its parent metal.
C. Welded joints provide rigidity.
D. Welding takes more time than riveting..
Answer = Welding takes more time than riveting.

581. A uniform girder simply supported at its ends is subjected to a uniformly distributed load over its entire length and is propped at the centre so as to neutralise the deflection. The net B.M. at the centre will be.
A. WL.
B. WL/8.
C. WL/24.
D. WL/32.

582. A beam of length L is pinned at both ends and is subjected to a concentrated bending couple of moment M at its centre. The maximum bending moment in the beam is.
A. M.
B. M/2.
C. M/3.
D. ML/2.

583. If two forces acting at a joint are not along the straight line, then for the equilibrium of the joint.
A. one of the forces must be zero.
B. each force must be zero.
C. forces must be equal and of the same sign.
D. forces must be equal in magnitude but opposite in sign..
Answer = each force must be zero

584. If the shear force along a section of a beam is zero, the bending moment at the section is.
A. zero.
B. maximum.
C. minimum.
D. average of maximum-minimum.

585. The shape of the bending moment diagram over the length of a beam, carrying a uniformly distributed load is always.
A. linear.
B. parabolic.
C. cubical.
D. circular..

586. The minimum number of rivets for the connection of a gusset plate, is.
A. 1.0.
B. 2.0.
C. 3.0.
D. 4.0.

587. The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm length, is.
A. 200.0.
B. 240.0.
C. 360.0.
D. 416.0.

588. A rectangular beam 20 cm wide is subjected to a maximum shearing force of 10, 000 kg, the corresponding maximum shearing stress being 30 kg/cm2. The depth of the beam is.
A. 15 cm.
B. 20 cm.
C. 25 cm.
D. 30 cm..

589. The maximum twisting moment a shaft can resist, is the product of the permissible shear stress and.
A. moment of inertia.
B. polar moment of inertia.
C. polar modulus.
D. modulus of rigidly..

590. For a simply supported beam with a central load, the bending moment is.
A. least at the centre.
B. least at the supports.
C. maximum at the supports.
D. maximum at the centre..
Answer = maximum at the centre.

591. For a given material Young's modulus is 200 GN/m2 and modulus of rigidity is 80 GN/m2. The value of Poisson's ratio is.
A. 0.15.
B. 0.2.
C. 0.25.
D. 0.3.

592. The ratio of the moment of inertia of a circular plate and that of a square plate for equal depth, is.
A. less than one.
B. equal to one.
C. more than one.
D. equal to 3Ï€/16.

593. The deflection of any rectangular beam simply supported, is.
A. directly proportional to its weight.
B. inversely proportional to its width.
C. inversely proportional to the cube of its depth.
D. directly proportional to the cube of its length.
Answer = inversely proportional to the cube of its depth

594. If a rectangular beam measuring 10 x 18 x 400 cm carries a unformly distributed load such that the bending stress developed is 100 kg/cm2. The intensity of the load per metre length, is.
A. 240 kg.
B. 250 kg.
C. 260 kg.
D. 270 kg.

595. Influence lines are drawn for structures.
A. of any type.
B. statically determinate.
C. pin-jointed truss.
D. none of these..

596. A shaft turning 150 r.p.m. is subjected to a torque of 150 kgm. Horse power transmitted by the shaft is.
A. Ï€.
B. 10 Ï€.
C. Ï€2.
D. 1/Ï€.

597. A simply supported beam carrying a uniformly distributed load over its whole span, is propped at the centre of the span so that the beam is held to the level of the end supports. The reaction of the prop will be.

598. The range within which a load can be applied on a rectangular column, to avoid any tensile stress, is.
A. one-half of the base.
B. one-fifth of the base.
C. one-fourth of the base.
D. one-fifth of the base.
Answer = one-fifth of the base

599. In a beam, the neutral plane.
A. may be its centre.
B. passes through the C.G. of the area of cross-section.
C. does not change during deformation.
D. none of these..
Answer = does not change during deformation

600. When loads are applied proportionately to a frame structure containing its members in one plane, the structure is called.
A. grid frame.
B. plane frame.
C. space frame.
D. truss frame..

601. The shear stress at any section of a shaft is maximum.
A. at the centre of the section.
B. at a distance r/2 from the centre.
C. at the top of the surface.
D. at a distance 3/4 r from the centre.
Answer = at the top of the surface

602. The region of the cross-section of a column in which compressive load may be applied without producing any tensile stress, is known as the core of the cross-section. In circular columns the radius of the core, is.

603. A beam is said to be of uniform strength, if.
A. B.M. is same throughout the beam.
B. deflection is same throughout the beam.
C. bending stress is same throughout the beam.
D. shear stress is same throughout the beam.
Answer = bending stress is same throughout the beam

604. The radius of gyration of a rectangular section is not proportional to.
A. square root of the moment of inertia.
B. square root of the inverse of the area.
C. square root of the moment of inertia divided by area of the section.
D. none of these..

605. A reinforced concrete beam is assumed to be made of.
A. homogeneous material.
B. heterogeneous material.
C. isotropic material.
D. none of these..

606. If the rivets in adjacent rows are staggered and outermost row has only one rivet, the arrangement of the rivets, is called.
A. chain riveting.
B. zig-zag riveting.
C. diamond riveting.
D. none of these..

607. Pick up the correct statement from the following :.
A. A ductile material has large plastic zone.
B. A brittle material has no plastic zone.
C. A rigid material has no plastic zone.
D. All the above..

608. The number of points of contraflexure in a simple supported beam carrying uniformly distributed load, is.
A. 1.0.
B. 2.0.
C. 3.0.
D. 0.0.

609. The maximum bending moment due to a moving load on a simply supported beam, occurs.
A. at the mid span.
B. at the supports.
D. anywhere on the beam.

610. A three hinged parabolic arch hinged at the crown and springings, has a horizontal span of 4.8 m and a central rise of 1 m. It carries a uniformly distributed load of 0.75 tonne per metre over half left hand span. The horizontal thrust at the support will be.
A. 10.8 tonnes.
B. 1.08 tonnes.
C. 1.8 tonnes.
D. 0.8 tonnes.

611. The length of a column, having a uniform circular cross-section of 7.5 cm diameter and whose ends are hinged, is 5 m. If the value of E for the material is 2100 tonnes/cm2, the permissible maximum crippling load will be.
A. 1.288 tonnes.
B. 12.88.
C. 128.8 tonnes.
D. 288.0.

612. If a three hinged parabolic arch carries a uniformly distributed load on its entire span, every section of the arch resists..
A. compressive force.
B. tensile force.
C. shear force.
D. bending moment..

613. In a three hinged arch, the shear force is usually.
A. maximum at crown.
B. maximum at springings.
C. maximum at quarter points.
D. varies with slope..

614. An arch may be subjected to.
A. shear and axial force.
B. bending moment and shear force.
C. bending moment and axial force.
D. thrust, shear force and bending moment..
Answer = thrust, shear force and bending moment.

615. The law which states, "within elastic limits strain produced is proportional to the stress producing it", is known as.
A. Bernoulli's law.
B. Stress law.
C. Hooke's law.
D. Poisson's law.

616. The phenomenon of slow extension of materials having constant load, i.e. increasing with the time is called.
A. creeping.
B. yielding.
C. breaking.
D. none of these..

617. The maximum resistance against rotation, is offered by the weld at a point.
A. most distant.
B. least distant.
C. at either end.
D. centrally located..

618. For structural analysis of forces, the method refers to.
A. moment-area-theorem.
B. three-moment equation.
C. Maxwell's reciprocal theorem.
D. none of these..

619. The reaction at the supports will be vertical to the plane of the support if the frame structure rests on.
A. roller supports.
B. free supports.
C. hinged supports.
D. all the above..

620. The shear force on a simply supported beam is proportional to.
A. displacement of the neutral axis.
B. sum of the forces.
C. sum of the transverse forces.
D. algebraic sum of the transverse forces of the section.
Answer = algebraic sum of the transverse forces of the section

621. An arch with three hinges, is a structure.
A. statically determinate.
B. statically indeterminate.
C. geometrically unstable.
D. structurally sound but indeterminate.

622. Stress in members of statically determinate simple frames, can be determined by.
A. method of joints.
B. method of sections.
C. graphical solution.
D. all the above..

623. While testing a cast iron beam (2.5 cm x 2.5 cm) in section and a metre long simply supported at the ends failed when a 100 kg weight is applied at the centre. The maximum stress induced is :.
A. 960 kg/cm2.
B. 980 kg/cm2.
C. 1000 kg/cm2.
D. 1200 kg/cm2..

624. When equal and opposite forces applied to a body, tend to elongate it, the stress so produced, is called.
A. shear stress.
B. compressive stress.
C. tensile stress.
D. transverse stress..

625. Stress in a beam due to simple bending, is.
A. directly proportional.
B. inversely proportional.
C. curvilinearly related.
D. none of these..

626. A cantilever carrying a uniformly distributed load W over its full length is propped at its free end such that it is at the level of the fixed end. The bending moment will be zero at its free end also at.
A. mid point of the cantilever.
B. fixed point of the cantilever.
C. 1/4th length from free end.
D. 3/4th length from free end.
Answer = 3/4th length from free end

627. In rectangular columns (cross-section b x h), the core is a.
A. rectangle of lengths b/2 and h/2.
B. square of length b/2.
C. rhombus of length h/2.
D. rhombus of diagonals b/3 and h/3.
Answer = rhombus of diagonals b/3 and h/3

628. The tensile force required to cause an elongation of 0.045 mm in a steel rod of 1000 mm length and 12 mm diameter, is (where E = 2 x 10^6 kg/cm^2).
A. 166 kg.
B. 102 kg.
C. 204 kg.
D. 74 kg.

629. In a bar of large length when held vertically and subjected to a load at its lower end, its own-weight produces additional stress. The maximum stress will be.
A. at the lower cross-section.
B. at the built-in upper cross-section.
C. at the central cross-section.
D. at every point of the bar..
Answer = at the built-in upper cross-section

630. Struts are load carrying members of a frame structure which are subjected to.

631. A solid cube is subjected to equal normal forces on all its faces. The volumetric strain will be x-times the linear strain in any of the three axes when.
A. x = 1.
B. x = 2.
C. x = 3.
D. x = 4.

632. n and j are numbers of members and joints in a frame. It contains redundant members if.
A. n = 2j - 3.
B. n = 3j - 2.
C. n < 2j - 3.
D. n > 2j - 3.
Answer = n > 2j - 3

633. The materials which have the same elastic properties in all directions, are called.
A. isotropic.
B. brittle.
C. homogeneous.
D. hard..

634. In a three hinged arch, the third hinge is generally kept at.
A. crown of the arch.
B. midpoint of the crown and left support hinge.
C. midpoint of the crown and right support hinge.
D. none of these..
Answer = crown of the arch

635. A bending moment may be defined as :.
A. Arithmetic sum of the moments of all the forces on either side of the section.
B. Arithmetic sum of the forces on either side of the section.
C. Algebraic sum of the moments of all the forces on either side of the section.
D. None of these..
Answer = Algebraic sum of the moments of all the forces on either side of the section

636. The property of a material by which it can be beaten or rolled into thin plates, is called.
A. malleability.
B. ductility.
C. plasticity.
D. elasticity..

637. If a constant section beam is subjected to a uniform bending moment throughout, its length bends to.
A. a circular arc.
B. a parabolic arc.
C. a catenary.
D. none of these..

638. A simply supported beam (l + 2a) with equal overhangs (a) carries a uniformly distributed load over the whole length, the B.M. changes sign if.
A. l > 2a.
B. l < 2a.
C. l = 2a.
D. l = 4a.

639. The type of butt joints in common use, is :.
A. single inverted V-butt joint.
B. double V-butt joint.
C. double U-butt joint.
D. single V-butt joint..
Answer = single inverted V-butt joint

640. For structural analysis, Maxwell's reciprocal theorem can be applied to :.
A. plastic structures.
B. elastic structures.
C. symmetrical structures.
D. all the above..

641. The moment diagram for a cantilever carrying a concentrated load at its free end, will be.
A. triangle.
B. rectangle.
C. parabola.
D. cubic parabola..

642. In a shaft rotated by a couple, the shear force varies.
A. from zero at the centre to a maximum at the circumference.
B. from minimum at the centre of maximum at the circumference.
C. from maximum at the centre to zero at the circumference.
D. equally throughout the section.
Answer = from zero at the centre to a maximum at the circumference

643. The section modulus of a rectangular light beam 25 metres long is 12.500 cm3. The beam is simply supported at its ends and carries a longitudinal axial tensile load of 10 tonnes in addition to a point load of 4 tonnes at the centre. The maximum stress in the bottom most fibre at the mid span section, is.
A. 13.33 kg/cm2 tensile.
B. 13.33 kg/cm2 compressive.
C. 26.67 kg/cm2 tensile.
D. 26.67 kg/cm2 compressive.

644. The shape of the bending moment diagram over the length of a beam, carrying a uniformly increasing load, is always.
A. linear.
B. parabolic.
C. cubical.
D. circular..

645. When a rectangular beam is loaded longitudinally, shear develops on.
A. bottom fibre.
B. top fibre.
C. middle fibre.
D. every-horizontal plane..

646. The tension coefficient of any member is.
A. force divided by the length.
B. tension divided by the length.
C. tension per unit area.
D. tension in the member..
Answer = tension divided by the length

647. A steel rod of 2 cm diameter and 5 metres long is subjected to an axial pull of 3000 kg. If E = 2.1 x 10^6, the elongation of the rod will be.
A. 2.275 mm.
B. 0.2275 mm.
C. 0.02275 mm.
D. 2.02275 mm..

648. If the width b and depth d of a beam simply supported with a central load are interchanged, the deflection at the centre of the beam will be changed in the ratio of.
A. b/d.
B. d/b.
C. (d/b)^2.
D. (b/d)^2.

649. Strain energy of a member may be equated to.
A. average resistance x displacement.
B.  1/2 stress x strain x area of its cross-section.
C.  1/2 stress x strain x volume of the member.
D.  1/2(stress)^2 x volume of the member + Young's modulus E..
Answer =  1/2(stress)^2 x volume of the member + Young's modulus E.

650. If the stress in each cross-section of a pillar is equal to its working stress, it is called.
A. body of equal.
B. body of equal section.
C. body of equal strength.
D. none of these..
Answer = body of equal strength

651. The stress at which extension of a material takes place more quickly as compared to the increase in load, is called.
A. elastic point.
B. plastic point.
C. breaking point.
D. yielding point..

652. In a square beam loaded longitudinally, shear develops.
A. on middle fibre along horizontal plane.
B. on lower fibre along horizontal plane.
C. on top fibre along vertical plane.
D. equally on each fibre along horizontal plane.
Answer = equally on each fibre along horizontal plane

653. The point of contraflexture occurs in.
A. cantilever beams only.
B. continuous beams only.
C. over hanging beams only.
D. all types of beams.
Answer = over hanging beams only

654. A member which is subjected to reversible tensile or compressive stress may fail at a stress lower than the ultimate stress of the material. This property of metal, is called.
A. plasticity of the metal.
B. elasticity of the metal.
C. fatigue of the metal.
D. workability of the metal..
Answer = fatigue of the metal

655. The stress in the wall of a cylinder in a direction normal to its longitudinal axis, due to a force acting along the circumference, is known as.
A. yield stress.
B. longitudinal stress.
C. hoop stress.
D. circumferential stress.

656. In a simply supported beam (l + 2a) with equal overhangs (a) and carrying a uniformly distributed load over its entire length, B.M. at the middle point of the beam will be zero if.
A. l = 2a.
B. l = 4a.
C. l < 2a.
D. l > a.

657. At either end of a plane frame, maximum number of possible bending moments, are.
A. one.
B. two.
C. three.
D. zero..

658. During a tensile test on a ductile material.
A. nominal stress at fracture is higher than the ultimate stress.
B. true stress at fracture is higher than the ultimate stress.
C. true stress at fracture is the same as the ultimate stress.
D. none of these..
Answer = true stress at fracture is higher than the ultimate stress

659. Rankine-Golden formula accounts for direct as well as buckling stress and is applicable to.
A. very long columns.
B. long columns.
C. short columns.
D. intermediate columns.

660. Pick up the correct statement from the following :.
A. The point through which the resultant of the shear stresses, passes is known as shear centre.
B. In the standard rolled channels, the shear centre is on the horizontal line passing through and away from the C.G. beyond web.
C. In equal angles, the shear centre is on the horizontal plane and away from the C.G., outside of the leg projection.
D. All the above..

661. In a three hinged arch, the bending moment will be zero.
A. at right hinge only.
B. at left hinge only.
C. at both right and left hinges.
D. at all the three hinges..
Answer = at all the three hinges.

662. The ratio of the tensile stress developed in the wall of a boiler in the circumferential direction to the tensile stress in the axial direction, is.
A. 4.0.
B. 3.0.
C. 2.0.
D. 1.0.

663. In a shaft shear stress intensity at a point is not.
A. directly proportional to the distance from the axis.
B. inversely proportional to the distance from the axis.
C. inversely proportional to the polar moment of inertia.
D. directly proportional to the applied torque..
Answer = inversely proportional to the distance from the axis

664. Along the neutral axis of a simply supported beam.
A. fibres do not undergo strain.
B. fibres undergo minimum strain.
C. fibres undergo maximum strain.
D. none of these..
Answer = fibres do not undergo strain

665. A joint of a frame is subjected to three tensile force P, Q and R equally inclined to each other. If P is 10 tonnes, the other forces will be.
A. Q = 10 tonnes and R = zero.
B. R + 10 tonnes and Q = zero.
C. Q + R = 10 tonnes.
D. Q and R each is equal to 10 tonnes..
Answer = Q and R each is equal to 10 tonnes.

666. Pick up the correct statement from the following :.
A. The distance of the eccentric axial load from the C.G. beyond which tension develops, is known as kern distance.
B. In visco-elastic material, stress-strain relation is dependent on time.
C. An instropic material has different properties is different directions.
D. All the above..

667. Along the principal plan subjected to maximum principal stress.
A. maximum shear stress acts.
B. minimum shear stress acts.
C. no shear stress acts.
D. none of these..
Answer = no shear stress acts

668. A diagram which shows the variations of the axial load for all sections of the span of a beam, is called.
A. bending moment diagram.
B. shear force diagram.
C. thrust diagram.
D. stress diagram.

669. A member which does not regain its original shape after removed of load producing deformation is said.
A. plastic.
B. elastic.
C. rigid.
D. none of these..

670. The bending moment is maximum on a section where shearing force.
A. is maximum.
B. is minimum.
C. is equal.
D. changes sign..

671. Pick up the correct statement from the following :.
A. The rate of change of bending moment is equal to rate of shear force.
B. The rate of change of shear force is equal to rate of loading.
C. neither (a) nor (b).
D. both (a) and (b)..
Answer = both (a) and (b).

672. A short masonry pillar is 60 cm x 60 cm in cross-section, the core of the pillar is a square whose side is.
A. 17.32 cm.
B. 14.14 cm.
C. 20.00 cm.
D. 22.36 cm.

673. A rectangular log of wood is floating in water with a load of 100 N at its centre. The maximum shear force in the wooden log is.
A. 50 N at each end.
B. 50 N at the centre.
C. 100 N at the centre.
D. none of these..
Answer = 100 N at the centre

674. The following assumption is not true in the theory of pure torsion :.
A. The twist along the shaft is uniform.
B. The shaft is of uniform circular section throughout.
C. Cross-section of the shaft, which is plane before twist remains plane after twist.
D. All radii get twisted due to torsion..

675. The under mentioned type is simple strain.
A. tensile strain.
B. compressive strain.
C. shear strain.
D. All the above..

676. The ratio of the effective length of a column and minimum radius of gyration of its cross-sectional area, is known.
A. buckling factor.
B. slenderness ratio.
C. crippling factor.
D. none of these..

677. Failure of riverted joints is due to.
A. Tearing of the plates between the rivet hole and the edge of the plate.
B. Tearing of plates between rivets.
C. Shearing of rivets.
D. All the above..

678. Pick up the correct assumption of the theory of simple bending.
A. The value of the Young's modulus is the same in tension as well as in compression.
B. Transverse section of a beam remains plane before and after bending.
C. The material of the beam is homogeneous and isotropic.
D. All the above..

679. The neutral axis of a beam cross-section must.
A. pass through the centroid of the section.
B. be equidistant from the top of bottom films.
C. be an axis of symmetry of the section.
D. none of these..
Answer = pass through the centroid of the section

680. If the beam is supported so that there are only three unknown reactive elements at the supports. These can be determined by using the following fundamental equation of statics.
A. ∑H = 0.
B. ∑V = 0.
C. ∑H = 0; ∑H = 0.
D. ∑H = 0; ∑V = 0; ∑M = 0.
Answer = ∑H = 0; ∑V = 0; ∑M = 0

681. In a solid arch, shear force acts.
A. vertically upwards.
B. along the axis of the arch.
C. perpendicular to the axis of arch.
D. tangentially to the arch.
Answer = perpendicular to the axis of arch

682. A three hinged arch is loaded with an isolated load 1000 kg at a horizontal distance of 2.5 m from the crown, 1 m above the level of hinges at the supports 10 metres apart. The horizontal thrust is.
A. 1250 kg.
B. 125 kg.
C. 750 kg.
D. 2500 kg.

683. For keeping the stress wholly compressive the load may be applied on a circular column anywhere within a concentric circle of diameter.
A. d/2.
B. d/3.
C. d/4.
D. d/8.

684. A member is balanced at its end by two inclined members carrying equal forces. For equilibrium the angle between the inclined bars must be.
A. 3°.
B. 45°.
C. 60°.
D. 120°.

685. To ascertain the maximum permissible eccentricity of loads on circular columns, the rule generally followed, is.
A. middle half rule of columns.
B. middle third rule of columns.
C. middle fourth rule of columns.
D. none of these..
Answer = middle fourth rule of columns

686. Beams of uniform strength are preferred to those of uniform section because these are economical for.
A. large spans.
B. heavy weights.
C. light weights.
D. short spans..

687. The moment diagram for a cantilever whose free end is subjected to a bending moment, will be a.
A. triangle.
B. rectangle.
C. parabola.
D. cubic parabola..

688. Reactions at the supports of a structure can be determined by equating the algebraic sum of.
A. horizontal forces to zero.
B. vertical forces to zero.
C. moment about any point to zero.
D. all the above..

689. Shear force for a cantilever carrying a uniformly distributed load over its length, is.
A. triangle.
B. rectangle.
C. parabola.
D. cubic parabola..

690. If the width of a simply supported beam carrying an isolated load at its centre is doubled, the deflection of the beam at the centre is changed by.
A. 2 times.
B. 4 times.
C. 8 times.
D. 1/2 times.

691. For a stable frame structure, number of members required, is.
A. three times the number of joints minus three.
B. twice the number of joints minus three.
C. twice the number of joints minus two.
D. twice the number of joints minus one.
Answer = twice the number of joints minus three

692. When a rectangular beam is loaded transversely, the maximum compressive stress develops on.
A. bottom fibre.
B. top fibre.
C. neutral axis.
D. every cross-section..

693. In a continuous bending moment curve the point where it changes sign, is called.
A. point of inflexion.
B. point of contraflexture.
C. point of virtual hinge.
D. all the above..

694. A beam of length L supported on two intermediate rollers carries a uniformly distributed load on its entire length. If sagging B.M. and hogging B.M. of the beam are equal, the length of each overhang, is.
A. 0.107 L.
B. 0.207 L.
C. 0.307 L.
D. 0.407 L.

695. A long vertical member, subjected to an axial compressive load, is called.
A. a column.
B. a strut.
C. a tie.
D. a stanchion.

696. The property by which a body returns to its original shape after removal of the force, is called.
A. plasticity.
B. elasticity.
C. ductility.
D. malleability..

697. A shaft 9 m long is subjected to a torque 30 t-m at a point 3 m distant from either end. The reactive torque at the nearer end will be.
A. 5 tonnes metre.
B. 10 tonnes metre.
C. 15 tonnes metre.
D. 20 tonnes metre.

698. The width b and depth d of a beam cut from a wooden cylindrical log of 100 cm diameter for maximum strength are :.
A. b = 57.73 cm d = 81.65 cm.
B. b = 81.65 cm d = 57.73 cm.
C. b = 50.00 cm d = 50.00 cm.
D. b = 40.00 cm d = 80.00 cm.
Answer = b = 57.73 cm d = 81.65 cm

699. If the stress produced by a prismatic bar is equal to the working stress, the area of the cross-section of the prismatic bar, becomes.
A. zero.
B. infinite.
C. maximum.
D. minimum..

700. The section modulus of a rectangular section is proportional to.
A. area of the section.
B. square of the area of the section.
C. product of the area and depth.
D. product of the area and width.
Answer = area of the section

701. The property of a material by which it can be drawn to a smaller section, due to tension, is called.
A. plasticity.
B. ductility.
C. elasticity.
D. malleability..

702. The distance between the centres of adjacent rivets in the same row, is called.
A. pitch.
B. lap.
C. gauge.
D. staggered pitch..

703. Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose.
A. one end is fixed and other end is hinged.
B. both ends are hinged or pin jointed.
C. one end is fixed and the other end entirely free.
D. both the ends are fixed.
Answer = both the ends are fixed

704. As the elastic limit reaches, tensile strain.
A. increases more rapidly.
B. decreases more rapidly.
C. increases in proportion to the stress.
D. decreases in proportion to the stress..

705. Every material obeys the Hooke's law within its.
A. elastic limit.
B. plastic point.
C. limit of proportionality.
D. none of these..

706. The maximum compressive stress at the top of a beam is 1600 kg/cm2 and the corresponding tensile stress at its bottom is 400 kg/cm2If the depth of the beam is 10 cm, the neutral axis from the top, is.
A. 2 cm.
B. 4 cm.
C. 6 cm.
D. 8 cm.

707. The stress necessary to initiate yielding, is considerably.
A. more than that necessary to continue it.
B. less than that necessary to continue it.
C. more than that necessary to stop it.
D. less than that necessary to stop it..
Answer = more than that necessary to continue it

708. Strain energy of any member may be defined as work done on it.
A. to deform it.
B. to resist elongation.
C. to resist shortening.
D. all the above..

709. The value of Poisson's ratio always remains.
A. greater than one.
B. less than one.
C. equal to one.
D. none of these..

710. For a beam having fixed ends, the unknown element of the reactions, is.
A. horizontal components at either end.
B. vertical components at either end.
C. horizontal component at one end and vertical component at the other.
D. horizontal and vertical components at both the ends..
Answer = horizontal and vertical components at both the ends.

711. The slenderness ratio of a vertical column of square cross- section of 10 cm side and 500 cm long, is.
A. 117.2.
B. 17.3.
C. 173.2.
D. 137.2.

712. A cast iron T section beam is subjected to pure bending. For maximum compressive stress to be three times the maximum tensile stress, centre of gravity of the section from flange side is.
A. h/4.
B. h/3.
C. h/2.
D. 2/3 h..

713. The effect of arching a beam, is.
A. to reduce the bending moment throughout.
B. to increase the bending moment throughout.
C. nothing on the bending throughout.
D. all the above..
Answer = to reduce the bending moment throughout

714. The phenomenon of slow growth of strain under a steady tensile stress, is called.
A. yielding.
B. creeping.
C. breaking.
D. none of these..

715. Hooke's law states that stress and strain are.
A. directly proportional.
B. inversely proportional.
C. curvilinearly related.
D. none of these..

716. A 8 metre long simply supported rectangular beam which carries a distributed load 45 kg/m. experiences a maximum fibre stress 160 kg/cm2. If the moment of inertia of the beam is 640 cm4, the overall depth of the beam is.
A. 10 cm.
B. 12 cm.
C. 15 cm.
D. 16 cm.

717. A column is said to be of medium size if its slenderness ratio is between.
A. 20 and 32.
B. 32 and 120.
C. 120 and 160.
D. 160 and 180.

718. Ties are load carrying members of a frame, which are subjected to.

719. At either end of a plane frame, maximum number of possible transverse shear forces, are.
A. one.
B. two.
C. three.
D. four.

720. The cross sections of the beams of equal length are a circle and a square whose permissible bending stress are same under same maximum bending. The ratio of their flexural weights is,.
A. 1.118.
B. 1.338.
C. 1.228.
D. 1.108.

721. When two plates butt together and are riveted with two cover plates with two rows of rivets, the joint is known as.
A. lap joint.
B. butt join.
C. single riveted single cover butt joint.
D. double riveted double cover butt joint..
Answer = double riveted double cover butt joint.

722. The moment diagram for a cantilever which is subjected to a uniformly distributed load will be a.
A. triangle.
B. rectangle.
C. parabola.
D. cubic parabola..

723. The areas of cross-section of a square beam and a circular beam subjected to equal bending moments, are same..
A. circular beam is more economical.
B. square beam is more economical.
C. both the beams are equally strong.
D. both the beams are equally economical.
Answer = square beam is more economical

724. For the same height, the bottom width for no tension,.
A. for triangular section is more than rectangular section.
B. for rectangular section is more than triangular section.
C. for triangular section is same as that of a rectangular section.
D. none of these..
Answer = for triangular section is same as that of a rectangular section

725. A beam is said to be of uniform strength, if.
A. B.M. is same throughout the beam.
B. shear stress is same throughout the beam.
C. deflection is same throughout the beam.
D. bending stress is same at every section along its longitudinal axis..
Answer = bending stress is same at every section along its longitudinal axis.

726. For a beam, if fundamental equations of statics are not sufficient to determine all the reactive forces at the supports, the structure is said to be.
A. determinate.
B. statically determinate.
C. statically indeterminate.
D. none of these..