civil engineering MCQs – Page 3

Practise multiple-choice questions from civil engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

civil engineering Mcqs
41. The pressure acting on the stones in stone masonry construction should be_____________?
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A. along the direction of bedding planes

B. at 60 to the direction of bedding planes

C. perpendicular to the direction of bedding planes

D. at 45 to the direction of bedding planes

42. On a single lane road with two way traffic, the minimum stopping sight distance is equal to______________?
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A. stopping distance

B. two times the stopping distance

C. three times the stopping distance

D. half the stopping distance

43. The vehicle used in case of enamel paints is usually______________?
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A. water

B. varnish

C. linseed oil

D. none of the above

44. Study the following statements. (1) Hydraulic lime is suitable for white washing, (2) Fat lime is suitable for whitewashing, (3) Hydraulic lime is suitable for making mortar, (4) Fat lime is suitable for making mortar. The correct answer is______________?
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A. (1) and (2)

B. (1) and (4)

C. (2) and (3)

D. (3) and (4)

45. Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth ?
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A. alkalies and magnesium

B. lime stone and alumina

C. silica and alkalies

D. alumina and iron

46. Addition of pozzolana to ordinary Portland cement increases__________________?
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A. heat of hydration

B. permeability

C. shrinkage

D. bleeding

47. The main function of alumina in brick earth is_______________?
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A. to make the brick durable

B. to prevent shrinkage

C. to make the brick impermeable

D. to impart plasticity
48. Coefficient of friction is less when the pavement surface is________________?
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A. smooth and dry

B. rough

C. dry

D. smooth and wet
49. Cross cut saw is used for_______________?
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A. cutting soft stones

B. dressing stones

C. cutting large blocks of stones

D. cutting hard stones
50. Compared to a level surface, on a descending gradient the stopping sight distance is_______________?
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A. same

B. more

C. dependent on the speed

D. less

51. The type of arch generally constructed over a wooden lintel or over a flat arch for the purpose of carrying the load of the wall above is_______________?
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A. segmental arch

B. pointed arch

C. flat arch

D. relieving arch
52. The type of pile which is driven at an inclination to resist inclined forces is known as______________?
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A. batter pile

B. anchor pile

C. sheet pile

D. friction pile

53. Assertion A : Pure lime takes a long time to develop adequate strength. Reason R : Pure lime has slow hardening characteristics. Select your answer according to the coding system given below ?
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A. Both A and R are true and R is correct explanation of A

B. Both A and R are true and R is not a correct explanation of A

C. A is true but R is false

D. A is false but R is true

54. Gypsum consists of______________?
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A. C02 and calcium

B. CaS04 and H20

C. Lime and H20

D. H2S and C02

55. Which of the following is a rock ?
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A. mica

B. gypsum

C. none of the above

D. quartz

56. The maximum number of steps in a flight should generally be restricted to______________?
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A. 10

B. no limit

C. 15

D. 12
57. The main ingredients of Portland cement are________________?
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A. silica and alumina

B. lime and iron

C. lime and alumina

D. lime and silica
58. Proper amount of entrained air in concrete results in__________?
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A. less resistance to freezing and thawing The correct answer is:</strong></span>

B. ="color: #003f1a;">1. better workability

C. better resistance to freezing and thawing

D. lesser workability

59. The type of roof suitable in plains where rainfall is meagre and temperature is high is______________?
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A. shell roof

B. pitched and sloping roof

C. flat roof

D. none of the above

60. For a constant value of coefficient of lateral friction, the value of required super-elevation increases with_______________?
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A. increase in both speed and radius of curve

B. decrease in both speed and radius of curve

C. increase in speed and with decrease in radius of curve

D. decrease in speed and with increase in radius of curve