Civil Engineering MCQs

Page No. 225

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


a4d


b 8d


c12d


d16d


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


b 0.4 H


c 0.5 H


d0.7 H


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


b Thrice the diameter


cFour times the diameter


dSeven times the diameter



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


bKx (1 – x/l) + bw


cKx (1 + x/l) + bw


d All the above


View Answer Kx (1 – x/l) + bw

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


a1.25 times the average


b 1.50 times the average


c1.75 times the average


d 2.0 times the average



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


a 5 kg/cm2


b10 kg/cm 2


c15 kg/cm2


d20 kg/cm2


View Answer 5 kg/cm2

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


a 0.10 %


b0.12 %


c0.15 %


d0.18 %


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


b2


c3


d5


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


bDistance between the centres of T-beam


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


dLeast of the above


View Answer Least of the above

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


a0.15 %


b 1.5 %


c 4 %


d1 %


View Answer 4 %

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