Civil Engineering MCQs

Page No. 260

According to IS : 456- 1978, minimum slenderness ratio for a short column is_______________?


a less than 12


b less than 18


cbetween 18 and 24


dmore than 24


View Answer less than 12

For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be________________?


a 600 mm


b750 mm


c900 mm


dmore than 1 m


View Answer 750 mm

For walls, columns and vertical faces of all structural members, the form work is generally removed after_______________?


a24 to 48 hours


b3 days


c7 days


d14 days


View Answer 24 to 48 hours

According to IS : 456-1978, the cblumn or the strut is the member whose effective length is greater than________________?


a the least lateral dimension


b 2 times the least lateral dimension


c3 times the least lateral dimension


d4 times the least lateral dimension



Diagonal tension in a beam______________?


ais maximum at neutral axis


bdecreases below the neutral axis and increases above the neutral axis


cincreases below the neutral axis and decreases above the neutral axis


d remains same



For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is______________?


a3.5 m


b4 m


c4.5 m


d5 m


View Answer 3.5 m

For a continuous slab of 3 m x 3.5 m size, the minimum overall depth of slab to satisfy vertical deflection limits is__________________?


a50 mm


b75 mm


c100 mm


d120 mm


View Answer 75 mm

One of the criteria for the effecvve width of flange of T-beam is bf =—+ bw +6Df 6 In above formula, l0 signifies_______________?


aeffective span of T-beam


bdistance between points of zero moments in the beam


cdistance between points of maximum moments in the beam


dclear span of the T-beam



The individual variation between test strength of sample should not be more than______________?


a±5% of average


b ± 10% of average


c ± 15% of average


d±20% of average


View Answer ± 15% of average

In case of hand mixing of concrete, the extra cement to be added is__________________?


a5%


b10%


c15%


d20%


View Answer 10%

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