civil engineering MCQs – Page 205

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 Review each marked answer and report any item that may be outdated or unclear.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

4081. Removal of props under______________?
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A. slabs spanning upto 4.5 m is 14 days

B. slabs spanning upto 4.5 m is 7 days

C. beams spanning upto 6 m is 14 days

D. All the above

4082. All reinforcement should be free from_________________?
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A. loose rust

B. loose mill scales

C. All the above

D. paints

4083. The spans of filler joists supporting a slab may be considered approximately equal if the longest span does not exceed the shortest span more than__________________?
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A. 10%

B. 25%

C. 15%

D. 5%

4084. The permissible bending stresses Pbet for steel slab bases should not exceed_______________?
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A. 1650 kg/cm2

B. 1890 kg/cm2

C. 1800 kg/cm2

D. 1500 kg/cm2

4085. The anchorage value of standard U-type hook of a reinforcing bar of diameter d in tension, is______________?
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A. 8d

B. 16 d

C. 4 d

D. 12 d

4086. Pick up the correct statement from the following?
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A. For high tensile steel, the minimum tensile strength is 58 kg/mm2

B. For mild steel the minimum tensile strength is 44 kg/mm2 and minimum elongation of 23% on a gauge length of 5.65A

C. All the above

D. For steel castings, the minimum tensile strength is 41 kg/mm2 and minimum yield stress is 20.5 kg/mm2

4087. Pick up the correct statement for the web stiffeners?
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A. all the above

B. d is the distance between flange angles or the clear distance between flanges

C. vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d

D. for horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange

4088. Moist sand may contain surface water by mass upto__________________?
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A. 5.00%

B. 1.25%

C. 2.5%

D. 7.50%

4089. Pick up the correct statement from the following?
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A. For rivets of nominal diameters less than 25 mm, the diameter of the rivet hole is taken as the nominal diameter of the rivet plus 1.5 mm

B. The diameter of a rivet, before driving is taken as the nominal diameter of the rivet

C. All the above

D. The diameter of the rivet hole is taken as the gross area of the rivet

4090. Pick up the correct statement from the following?
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A. The distance between centres of two adjacent rivets in line with the direction of stress shall not

B. The minimum pitch of rivets should not be less than 2.5 times the diameter of the rivet hole

C. The distance between the centres of two adjacent rivets in line with the direction of stress shall not exceed 12 t or 203 mm whichever is less in compression members

D. All the above

4091. To ensure exact gauge, the gauge tie plates are provided at_________________?
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A. toe of the switch

B. nose of crossing

C. both (A) and (B)

D. none of the above

4092. Which of the following turnouts is most commonly used for goods train on Indian Railways ?
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A. 1 in 8/2

B. 1 in 12

C. 1 in 16

D. 1 in 20

4093. The nominal size of ballast used for points and crossings is___________________?
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