civil engineering Mcqs
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
61. Percentage of carbon content in mild steel is_______________?
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A. between 0.25 and 0.7

B. between 0.7 and 1.5

C. less than 0.25

D. greater than 1.5

62. If b is the wheel track of a vehicle and h is the height of centre of gravity above road surface, then to avoid overturning and lateral skidding on a horizontal curve, the centrifugal ratio should always be________________?
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A. less than b/2h and greater than co-efficient of lateral friction

B. greater than b/2h and also greater than coefficient of lateral friction

C. less than b/2h and also less than co-efficient of lateral friction

D. greater than b/2h and less than co-efficient of lateral friction

63. Three basic raw materials which are needed in large quantities for production of steel are_______________?
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A. iron ore, carbon and sulphur

B. iron ore, coal and sulphur

C. iron ore, carbon and lime stone

D. iron ore, coal and lime stone
64. The terrain may be classified as rolling terrain if the cross slope of land is______________?
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A. between 25% and 60%

B. more than 60%

C. upto 10%

D. between 10% and 25%
65. Jumper is a tool used for_______________?
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A. quarrying of stones

B. none of the above

C. testing of stones

D. dressing of stones

66. The number of steps in a flight generally should not be less than________________?
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A. 5

B. 3

C. no limit

D. 2

67. Paints with white lead base are suitable for painting of______________________?
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A. wood work

B. iron work

C. both wood work and iron work

D. none of the above

68. In which of the following directions, the strength of timber is maximum ?
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A. perpendicular to grains

B. 45 to grains

C. same in all directions

D. parallel to grains
69. The most commonly used retarder in cement is_________________?
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A. calcium chloride

B. none of the above

C. calcium carbonate

D. gypsum
70. With increase in moisture content, the bulking of sand_______________?
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A. first decreases to a certain minimum value and then increases

B. decreases

C. increases

D. first increases to a certain maximum value and then decreases
71. The bearing capacity of a water logged soil can be improved by_____________?
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A. grouting

B. draining the soil

C. increasing the depth of foundation

D. compacting the soil

72. The amount of water used for one kg of distemper is_____________?
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A. 0.4 liter

B. 0.2 liter

C. 0.8 liter

D. 0.6 liter
73. The most common admixture which is used to accelerate the initial set of concrete is______________?
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A. gypsum

B. none of the above

C. calcium carbonate

D. calcium chloride
74. The constituent of cement which is responsible for all the undesirable properties of cement is____________?
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A. tricalcium aluminate

B. dicalcium silicate

C. tetra calcium alumino ferrite

D. tricalcium silicate

75. Quality control is aimed at__________?
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A. Continuously improving the quality

B. Exceeding the desired quality

C. Maintaining the desired quality

D. Following the quality

76. Advantage of a clamp compared to a kiln for burning bricks is that_______________?
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A. it takes less time for burning

B. it has less initial cost

C. it is suitable when bricks are required in large numbers

D. it gives more output of first class bricks

77. Quartitze is a_____________?
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A. silicious rock

B. argillaceous rock

C. calcareous rock

D. aqueous rock

78. The type of roof which slopes in two directions with a break in the slope on each side is known as_____________?
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A. mansard roof

B. hip roof

C. gable roof

D. gambrel roof
79. Select the correct statement______________?
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A. Nagpur road plan formula take into account the towns with very large population

B. Second 20-year plan allowed deduction of length of railway track in the area while calculating the length of roads

C. Nagpur road plan has a target road length of 32 km per 100 square km

D. Second 20-year plan has provided 1600 km of expressways out of the proposed National highway
80. Which of the following ingredients of the brick earth enables the brick to retain its shape ?
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A. iron

B. magnesia

C. silica

D. alumina

81. Minimum width of landing should be_______________?
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A. one fourth the width of stairs

B. twice the width of stairs

C. half the width of stairs

D. equal to width of stairs
82. Which of the following metamorphic rocks has the most weather resisting characteristics ?
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A. quartzite

B. lime stone

C. slate

D. marble

83. The ratio of the thickness of web to that of flange of steel rolled structural beams and channels is______________?
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A. less than 1 in beams but greater than 1 in channels

B. less than 1

C. equal to 1

D. greater than 1

84. Which of the following is a mineral ?
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A. granite

B. basalt

C. quartz

D. syenite

85. Expansion Joints in masonry walls are provided in wall lengths usater than_______________?
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A. 20 m

B. 30 m

C. 40 m

D. 10 m

86. Assertion A : Paints with white lead base are not recommended for painting of iron works. Reason R : Paints with white lead base do not check rusting of iron. Select your answer according to the coding system given below ?
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A. Both A and R are true and, R is the correct explanation of A

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

C. A is true but R is false

D. A is false but R is true

87. Which of the following cements contains maximum percentage of dicalcium silicate?
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A. ordinary Portland cement

B. sulphate resisting cement

C. rapid hardening cement

D. low heat cement
88. Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica______________?
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A. there is no sedimentary rock

B. quartz and mica are minerals

C. basalt and marble are the only metamorphic rocks

D. granite is the only igneous rock

89. Le Chateliers device is used for determining the_______________?
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A. soundness of cement

B. compressive strength of cement

C. tensile strength of cement

D. setting time of cement

90. As per IS specifications, the maximum final setting time for ordinary Portland cement should be_______________?
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A. 30 minutes

B. 6 hours

C. 1 hour

D. 10 hours
91. Percentage of silica in a good brick earth lies between_______________?
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A. 70 to 80%

B. 5 to 10%

C. 50 to 60%

D. 20 to 30%

92. Which of the following timbers is suitable for making sports goods ?
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A. mulberry

B. sal

C. deodar

D. mahogany

93. Early attainment of strength in rapid hardening cement is mainly due to_______________?
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A. tricalcium aluminate

B. gypsum

C. finer grinding

D. tricalcium silicate

94. Which of the following gradients exerts maximum influence on properties of steel?
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A. manganese

B. sulphur

C. iron

D. carbon
95. The stone suitable for rubble masonry should be____________?
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A. tough

B. heavy

C. hard

D. light

96. How many commandments are given in PEC Code of Ethics?
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A. 20

B. 5

C. 10

D. 30

97. The process of mixing clay, water and other ingredients to make brick is known as______________?
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A. drying

B. moulding

C. kneading

D. pugging

98. Number of vertical joints in a stretcher course is x times the number of joints in the header course, where x is equal to_________________?
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A. 2

B. 4-Jan

C. 1/2

D. 1

99. For water bound macadam roads in localities of heavy rainfall, the recommended value of camber is_______________?
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A. 1 in 48

B. 1 in 60

C. 1 in 36

D. 1 in 30

100. The main constituent of cement which is responsible for initial setting of cement is_________________?
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A. dicalcium silicate

B. tricalcium silicate

C. all of the above

D. tricalcium aluminate