Civil Engineering Mock test – 3 (100 Questions) Welcome to your Civil Engineering Mock test - 3 (100 Questions) Take an exciting test in Civil Engineering ( 100 Questions) You have only 1 Hour mins to complete the test (100 Questions) Wish you all the best!!! Name Email 1. If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by A. 0.2 B. 0.3 C. 0.4 D. 0.5 E. 0.72. If the straight sides of a triangular section of a lined canal with circular bottom of radius D, make an angle θ with horizontal, the hydraulic mean depth is A. D B. D/2 C. D/3 D. D/4 E. D/53. Acrylic is the name of A. cellulose resin B. alkyd resin C. methyl metha crylate D. cumarone-indene.4. 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.5. Efflorescence in cement is caused due to an excess of A. alumina B. iron oxide C. silica D. alkalis6. Saw dust can be rendered chemically inert by boiling it in water containing A. ferrous sulphate B. potassium chloride C. ammonia D. nitric acid7. If the angular measurements of a traverse are more precise than its linear measurements, balancing of the traverse, is done by A. Bowditch's rule B. Transit rule C. Empirical rule D. all of the above.8. The thickness of a sharp crested weir is kept less than A. one-third of the height of water on the sill B. one-half of the height of water on the sill D. two-third of the height of water on the sill C. one-fourth of the height of water on the sill E. none of these.9. Water cement ratio is A. volume of water to that of cement B. weight of water to that of cement C. weight of concrete to that of water D. volume of concrete to that of water E. both (a) and (b) of the above.10. 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.11. The standard B.O.D. at 20&Deg;C, is taken for the consumption in A. one day B. 2 days C. 3 days D. 4 days E. 5 days.12. While calculating the sight distances, the driver's eye above road surface, is assumed A. 90 cm B. 100 cm C. 110 cm D. 120 cm13. 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.14. Slump test of concrete is a measure of its A. consistency B. compressive strength C. tensile strength D. impact value.15. The level of the fioor of a syphon aqueduct can be obtained A. by subtracting the depth of the culvert from the canal bed level B. by subtracting the thickness of culvert plus the depth of the culvert from the canal bed level C. both (a) and (b) D. none of these.16. The uplift pressure on the roof of an inverted syphon, is maximum when A. drain in running dry B. canal is running dry C. canal is running with F.S.L. D. drain is running with H.F.L.17. Lime mortar is generally made with A. quick lime B. fat lime C. hydraulic lime D. plain lime18. The yield strength and tensile strength of low carbon steel may be improved by the addition of A. manganese B. chromium C. nickel D. venadium E. tungsten.19. While determining the yield of open wells by the pumping test A. velocity of recharging water, increases with depression head B. depression head resulting at critical velocity, is called critical depression head C. working head is generally limited to 1/3rd of the critical depression head D. maximum safe yield of an open well, is expected at critical depression head.20. The phenomenon of slow extension of materials having constant load, i.e. increasing with the time is A. creeping B. yielding C. breaking D. none of these.21. Cross regulators in main canals are provided A. to regulate water supply in the distributaries B. to increase water head upstream when a main canal is running with low supplies C. to overflow excessive flow water D. none of these.22. In an ideal transition curve, the radius of curvature A. is constant B. at any point is directly proportional to its distance from the point of commencement C. is inversely proportional to the radius of main curve D. is directly proportional to the radius of main curve23. The side slope of Cipolletti weir is generally kept A. 1 to 4 B. 1 to 3 C. 1 to 2 D. 1 : 524. A pitot tube is used to measure A. pressure B. difference in pressure C. velocity of flow D. none of these.25. Percussion drilling is unsuitable in A. unconsolidated sand B. unconsolidated gravel C. quick sand D. consolidated rocks.26. Spirit varnish generally consists of A. oil, wax and resin B. alcohol, wax and turpentine C. pigment and synthetic resin D. spirit and shellac27. The ratio of maximum velocity to average velocity of viscous fluid through a circular pipe is A. 0.5 B. 0.75 C. 1.25 D. 2.0028. True meridian of different places A. converge from the south pole to the north pole B. converge from the north pole to the south pole C. converge from the equator to the poles D. run parallel to each other.29. Mathamoglobinemia, or blue baby disease is caused due to A. chlorides B. nitrites C. nitrates D. sulphides.30. The radius of a bar bend to form a hook, should not be less than A. twice the diameter B. thrice the diameter C. four times the diameter D. five times the diameter31. The number of points of contraflexure in a simple supported beam carrying uniformly distributed load, is A. 1 B. 2 C. 3 D. 032. Minimum thickness of a layer of fine sand required to cut off capillary rise of water completely, should be A. 40 cm B. 52 cm C. 64 cm D. 76 cm33. The cement whose strength is a little lower than the ordinary cement during the first three months but attains afterwards the same strength, is known as A. low-heat Portland cement B. rapid hardening Portland cement C. Portland blast slag cement D. Portland pozzolana cement34. The compression index of a soil A. decreases with an increase in the liquid limit B. increases with an increase in the liquid limit C. decreases with an increase in the plastic limit D. is not related with plastic limit.35. Disinfection of water with ozone is not good because A. it vanishes before water reaches the consumers B. it removes the colour, taste and odour from water as bacterias C. it adds taste to the water D. it is more efficient than chlorine in killing bacterias36. A land is said to be water-logged if its soil pores within A. a depth of 40 cm are saturated B. a depth of 50 cm are saturated C. root zone of the crops are saturated D. all the above.37. Increase in population of a rapidly growing city, may be estimated by A. arithmetical mean method B. geometrical method C. incremental increase method D. graphical comparison method.38. The weight of a foundation is assumed as A. 5% of wall weight B. 7% of wall weight C. 10% of wall weight D. 12% of wall weight39. An arch may be subjected to A. shear and axial force B. bending moment and shear force C. bending moment and axial force D. shear force and thrust E. thrust, shear force and bending moment.40. The ratio of the head recovered to the head put in, is known as A. efficiency B. sensitivity C. flexibility D. modular limit.41. On concrete roads, the camber generally provided, is A. 1 in 20 to 1 in 24 B. 1 in 30 to 1 in 48 C. 1 in 36 to 1 in 48 D. 1 in 48 to 1 in 60 E. 1 in 60 to 1 in 7242. The desirable camber for straight cement concrete roads, is A. 1 in 33 to 1 in 25 B. 1 in 40 to 1 in 33 C. 1 in 150 to 1 in 140 D. 1 in 160 to 1 in 14043. For obtaining vinyl chloride acetate, the method used, is A. addition polymerization B. condensation polymerization C. co-polymerization D. none of these.44. An ideal transition curve is A. cubic parabola B. cubic spiral C. clothoid spiral D. true spiral.45. In a simply supported slab the minimum spacing of distribution reinforcement, should be four times the effective thickness of the slab or A. 20 cm B. 30 cm C. 40 cm D. 50 cm E. 60 cm46. The ideal shape of a transition curve, is A. clothoid B. cubic spiral C. cubic parabola D. lamniscate47. Pantagraph is used for A. measuring distances B. measuring areas C. enlarging or reducing plans D. setting out right angles48. A syphon is used A. to connect water reservoirs at different levels intervened by a hill B. to supply water to a town from higher level to lower level C. to fill up a tank with water at higher level from a lower level D. none of these.49. Good quality cement contains higher percentage of A. Tricalcium silicate B. Di-calcium silicate C. Tri-calcium aluminate D. Tetra calcium alumino ferrite50. If the effective working time is 7 hours and per batch time of concrete is 3 minutes, the output of a concrete mixer of 150 litre capacity, is A. 15, 900 litres B. 16, 900 litres C. 17, 900 litres D. 18, 900 litres51. According to IRC : 52-1973, for a single lane National Highway in hilly region, A. width of the carriageway must be 3.75 m B. shoulders on either side must be 1.25 m C. total width of the road-way must be 6.25 m D. total of the above.52. You are given a sample of soil containing coarse grains to determine its water content, you will use A. pycnometer B. oven-drying method C. calcium carbide method D. alcohol method.53. Unit of kinematic viscosity is A. m2/sec B. Newton sec/m2 C. Newton sec/m3 D. Kg sec/m2.54. The desired sensitivity of a bubble tube with 2 mm divisions is 30". The radius of the bubble tube should be A. 13.75 m B. 3.44 m C. 1375 m D. none of these.55. The direct shear test suffers from the following disadvantage: A. Drain condition cannot be controlled B. Pore water pressure cannot be measured C. Shear stress on the failure plane is not uniform. D. The area under the shear and vertical loads does not remain constant throughout the test56. The water face of the guide banks, is protected by A. one men stone pitching B. two man stone pitching C. three man stone pitching D. four man stone pitching E. five man stone pitching.57. The maximum vacuum created at the summit of a syphon is A. 2.7 m of water B. 7.4 m of water C. 5.5 m of water D. none.58. Reinforcement in cement concrete slab of road pavements, is placed A. longitudinally B. transversely C. longitudinally and transversely D. in the form of welded wire mesh59. The condition not applicable to water cement ratio law, is A. internal moisture conditions on hydration continue till complete strength is gained B. concrete specimens may be tested at any temperature C. concrete specimens need be of same age D. concrete specimens need be of same size60. 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 E. none of these.61. In rigid module, the discharge A. is independent of water levels in the distributary and water course B. depends upon the water level in distributary C. depends upon the water level in the water course D. depends upon the water levels of both, i.e. distributary and water course E. none of these.62. The ratio of the rate of change of discharge of an outlet and parent channel, is known as A. efficiency B. sensitivity C. flexibility D. modular limit.63. A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis A. remains within the flange B. remains below the slab C. coincides the geometrical centre of the beam D. none of these.64. Normal values of overflow rate for plain sedimentation tank, is A. 250 to 500 litres/hr/m2 B. 500 to 750 litres/hr/m2 C. 750 to 1000 litres/hr/m2 D. 1000 to 1250 litres/hr/m2.65. Pick up the incorrect statement from the following: A. In properly graded aggregates, bulk density is more B. In single size aggregates, bulk density is least C. In single size aggregates, bulk density is maximum D. None of these.66. Steel contains carbon approximately A. 1.50% to 5.6% B. 0.05% to 1.75% C. 0.25% D. none to these.67. The soil moisture driven off by heat, is called A. free water B. hydroscopic water C. gravity water D. none of these.68. Flow through period, in sedimentation tanks, is A. equal to detention period B. more than detention period C. less than detention period D. detention period divided by displacement efficiency69. The diameter of the Vicat plunger is 10 mm and its length varies from A. 20 mm to 30 mm B. 30 mm to 40 mm C. 40 mm to 50 mm D. 50 mm to 60 mm70. If σ0' and σ' represent initial and increased pressure ; e0 and e void ratios corresponding to initial and increased pressure ; and C0 the compression index (dimensionless), then, the virgin compression curve as expressed by Terzaghi empirical formula is A. e = e0 + Cc log10 σ'/σ0' B. e = e0 - Cc log10 σ'/σ0' C. e0 = e - Cc log10 σ'/σ0' D. e0 = e + Cc log10 σ'/σ0'71. The soil which contains finest grain particles, is A. coarse sand B. fine sand C. silt D. clay72. For stairs spanning horizontally, the minimum waist provided is A. 4 cm B. 6 cm C. 8 cm D. 10 cm E. 12 cm.73. The live load to be considered for an inaccessible roof, is A. Nil B. 75 kg/m2 C. 150 kg/cm2 D. 200 kg/m274. The angle between two plane mirrors of optical square, is A. 20° B. 30° C. 45° D. 60° E. 90°.75. 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.76. Cast iron contains carbon approximately A. 1.5% to 5.5% B. 0.05% to 1.75% C. 0.250% D. none to these.77. Total pressure on the vertical face of a retaining wall of height h acts parallel to free surface and from the base at a distance of A. h/4 B. h/3 C. h/2 D. 2h/378. A cantilever beam rectangular in cross-section is subjected to an isolated load at its free end. If the width of the beam is doubled, the deflection of the free end will be changed in the ratio of A. 8 B. 1/8 C. 1/2 D. 279. For setting out a simple curve, using two theodolites. A. offsets from tangents are required B. offsets from chord produced are required C. offsets from long chord are required D. deflection angles from Rankine's formula are required E. none of these80. Most economical section of a circular channel for maximum discharge A. depth of water = 0.95 diameter of circular section B. hydraulic mean depth = 0.286 diameter of circular section C. wetted perimeter = 2.6 diameter of circular section D. wetted perimeter = 2.83 depth of water E. all the above.81. The latitude of a traverse leg is obtained by multiplying its length by A. tangent of its reduced bearing B. sign of its reduced bearing C. cosine of its reduced bearing D. cosecant of its reduced bearing.82. The shear stress distribution in viscous fluid through a circular pipe is : A. maximum at the centre B. maximum at the inside of surface C. same throughout the section D. none of these.83. The momentum correction factor (β) for the viscous flow through a circular pipe is A. 1.25 B. 1.33 C. 1.50 D. 1.66 E. 2.0084. If the ratio of the span to the overall depth does not exceed 10, the stiffness of the beam will ordinarily be satisfactory in case of a A. simply supported beam B. continuous beam C. cantilever beam D. none of these.85. Pick up the incorrect statement from the following: A. Compaction has no effect on the structure of a soil B. Permeability decreases with increase in the dry density of a compacted soil C. A wet side compacted soil is more compressible than a dry side compacted soil D. Dry side compaction soils swell more when given access to moisture86. An earth formation which, although porous and capable of absoring water does not provide an appreciable supply to wells, is known as A. acquifer B. aquiclude C. aquifuge D. none of these.87. If water table is comparatively high, the irrigation canal becomes useless, due to A. large amount of seepage B. water logging of the cultivated areas C. uncertain water demand D. spread of malaria E. all the above.88. Two hill tops A and B 20 km apart are intervened by a third top C. If the top most contour of the three hill tops are of the same value, state whether the line of sight AB A. passes clear of hill top C B. passes below the hill top C C. grazes the hill top C D. none of these.89. Minimum permissible speed on high speed roads, is decided on the basis of A. 15 percentile cumulative frequency B. 20 percentile cumulative frequency C. 30 percentile cumulative frequency D. 40 percentile cumulative frequency.90. Surface water is obtained from A. well B. springs C. artesian well D. rain.91. Number of piles required to support a column, is A. 1 B. 2 C. 3 D. 492. The equation τ = C + σ tan φ is given by A. Rankine B. Coulomb C. Culaman D. Mohr.93. Plastic asphalt is A. used as a water proofing layer over roof B. a mixture of cement and asphalt C. a natural asphalt D. a refinery product.94. The maximum shear stress (qmax) in a rectangular beam is A. 1.25 times the average B. 1.50 times the average C. 1.75 times the average D. 2.0 times the average95. If the engineer-in-charge approves, the 10 cm cubes may be used for the work test of concrete provided maximum nominal size of aggregate, does not exceed A. 10 cm B. 15 cm C. 20 cm D. 25 cm96. If x% is the gradient of an alignment and y% is the gradient after proper superelevation along a curved portion of a highway, the differential grade along the curve, is A. (x + y)% B. (x - y)% C. (y - x)% D. (x x y)%97. The tendency of a stone is, to split along: A. texture B. fracture C. cleavage D. structure E. all the above.98. In levelling operation A. if second reading is more than first, it represents a rise B. if first reading is more than second, it represents a rise C. if first reading is less than second, it represents a fall D. if second reading is less than first, it represents a fall E. both (b) and (c).99. For shear strength, triaxial shear test is suitable because A. it can be performed under all three drainage conditions B. precise measurement of the pore pressure and volume change during the test is possible C. stress distribution on the failure plane, is uniform D. state of stress within the specimen during any stage of the test as well as at failure, is completely determined E. all the above.100. The maximum bending moment due to a moving load on a simply supported beam, occurs A. at the mid span B. at the supports C. under the load D. anywhere on the beam E. none of these.