civil engineering MCQs – Page 104

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 Review each marked answer and report any item that may be outdated or unclear.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
2061. Water retentivity for brick masonry should not be less than__________________?
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A. 50%

B. 60%

C. 70%

D. 80%

2062. The ground surface slopes 1 in 50 along a proposed railway embankment 150 m in length. The height of the embankment at zero chainage is 0.5 m, the width is 11 m and side slopes 2:1. If the falling gradient of the embankment is 1 in 150, the quantity of the earthwork calculated by Prismoidal formula, is____________________?
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A. 3300 m3

B. 3275 m3

C. 3250 m3

D. 3225 m3
2063. Assertion A : Depth and width required at the entrance to a harbour are more than those required in the channel. Reason R : The entrance to a harbour is usually more exposed to waves as compared to the harbour itself__________________?
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A. ect your answer based on the coding system given below.

2064. The maximum depth of sedimentation tanks is limited to________________?
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A. 6 m

B. 5 m

C. 3 m

D. 4 m

E. 2 m

2065. Disinfection of drinking water, is done to remove_________________?
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A. bacterias

B. colour

C. odour

D. turbidity

2066. The order of booking dimensions is________________?
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A. Length, breadth, height

B. Height, breadth, length

C. None of these

D. Breadth, length, height

2067. For supersonic transport aircraft, the minimum turning radius of taxiway is________________?
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A. 180 m

B. 120 m

C. 240 m

D. 60 m

2068. If the formation level of a highway has a uniform gradient for a particular length, and the ground is also having a longitudinal slope, the earthwork may be calculated by_______________?
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A. All the above

B. Prismoidal formula

C. Mid-section formula

D. Trapezoidal formula

2069. If the eccentricity ratio is more than 1/24, then increase in the permissible stress in the design of wall subjected to eccentric loading as per code is_________________?
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A. 25%

B. 33.33%

C. 50%

D. 10%

2070. Pick up the incorrect statement from the following?
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A. Dimensions are measured to the nearest 0.01 m

B. Cubic contents are measured to the nearest 0.1 cum

C. Areas are measured to the nearest 0.01 sq.m

D. Weights are measured to the nearest 0.001 tonnes

2071. Assertion A : The ratio of arriving and departing aircrafts influences the airport capacity: Reason R :Landing operation is generally given priority over the taking off operation_________________?
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A. ect your answer based on the coding system given below?

2072. Which of the following is an example of failure in flexible pavements ?
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A. Alligator cracking

B. Warping cracks

C. Shrinkage cracks

D. Mud pumping

2073. period in a septic tank is assumed___________________?
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A. detention

B. 30 minutes

C. 40 minutes

D. 20 minutes

E. 25 minutes

2074. The yield of a rapid gravity filter as compared to that of slow sand filter, is__________________?
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A. 30 times

B. 15 times

C. 35 times

D. 20 times

E. 10 times

2075. Which of the following will give higher ratio of brickwork strength to mortar strength ?
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A. 1 : Vz: 4>/2

B. 1:01:06

C. 1:2:9

D. 1 : % : 3

2076. The minimum diameter of turning besin, where ships turn by going ahead and without tug assistance should be___________________?
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A. 4.0 L

B. L

C. 2.0 L

D. 1.5 L

2077. At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be_______________?
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A. 8.169 m

B. 6.8 m

C. 2.073 m

D. 9.144 m
2078. The total length of a cranked bar through a distance D. at 45 in case of a beam of effective length L, is_________________?
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A. L + (2 0.42 d)

B. L (0.42 d)

C. L + 0.42 d

D. L (2 0.4 d)

2079. Pick up the correct statement from the following?
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A. The earth work of cutting in trenches or borrow pits in fairly uniform ground is measured with the help of average depths of the dead men

B. The earth work in trenches or borrow pits in irregular ground is measured by taking the difference in levels before and after completion of work

C. All the above

D. The earth work in trenches or borrow pits, where neither a nor b is feasible, are measured from the fillings after deduction of voids

2080. The unit of measurement is per quintal for the following?
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A. Collapsible gates with rails