Civil Engineering MCQs

Page No. 225

If diameter of a reinforcement bar is d, the anchorage value of the hook is_______________?


a4d

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b 8d

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c12d

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d16d

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View Answer 16d

If is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is________________?


a0.3 H

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b 0.4 H

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c 0.5 H

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d0.7 H

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View Answer 0.7 H

The length of the straight portion of a bar beyond the end of the hook, should be at least_______________?


aTwice the diameter

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b Thrice the diameter

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cFour times the diameter

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dSeven times the diameter

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If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured parallel to the supported edge, the effective width of the slab be is_______________?


aK/x (1 + x/d) + bw

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bKx (1 – x/l) + bw

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cKx (1 + x/l) + bw

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d All the above

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View Answer Kx (1 – x/l) + bw

The maximum shear stress (qmax) in a rectangular beam is_______________?


a1.25 times the average

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b 1.50 times the average

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c1.75 times the average

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d 2.0 times the average

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According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is_____________?


a 5 kg/cm2

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b10 kg/cm 2

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c15 kg/cm2

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d20 kg/cm2

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View Answer 5 kg/cm2

The percentage of minimum reinforcement of the gross sectional area in slabs, is________________?


a 0.10 %

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b0.12 %

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c0.15 %

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d0.18 %

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View Answer 0.15 %

For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is___________________?


a1

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b2

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c3

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d5

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View Answer 2

The width of the flange of a T-beam should be less than_________________?


aOne- third of the effective span of the T -beam

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bDistance between the centres of T-beam

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c Breadth of the rib plus twelve times the thickness of the slab

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dLeast of the above

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View Answer Least of the above

The maximum area of tension reinforcement in beams shall not exceed_______________?


a0.15 %

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b 1.5 %

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c 4 %

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d1 %

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View Answer 4 %

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