Civil Engineering MCQs

Page No. 258

Half of the main steel in a simply supported slab is bent up near the support at a distance of x from the center of slab bearing where x is equal to________________?


a1/3


b 1/5


c1/7


d1/10 where 1 is the span


View Answer 1/7

In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by_______________?


a10%


b20%


c30%


d40%


View Answer 40%

Ratio of permissible stress in direct compression and bending compression is______________?


aless than 1


bbetween 1 and 1.5


cbetween 1.5 and 2.0


dgreater than 2


View Answer less than 1

A higher modular ratio shows____________?


ahigher compressive strength of con-crete


b lower compressive strength of concrete


chigher tensile strength of steel


d lower tensile strength of steel



Maximum distance between expansion joints in structures as per IS : 456 – 1978 is________________?


a20 m


b30 m


c45 m


d60 m


View Answer 45 m

The average permissible stress in bond for plain bars in tension is_______________?


a increased by 10% for bars in compression


b increased by 25% for bars in compression


cdecreased by 10% for bars in compression


ddecreased by 25% for bars in compression



Critical section for shear in case of flat slabs is at a distance of_______________?


aeffective depth of slab from periphery of column/drop panel


bd/2 from periphery of column/capital/ drop panel


cat the drop panel of slab


dat the periphery of column



If the storey height is equal to length of RCC wall, the percentage increase in strength is_____________?


a0


b10


c 20


d 30


View Answer 10

The slab is designed as one way if the ratio of long span to short span is_____________?


aless than 1


bbetween 1 and 1.5


cbetween 1.5 and 2


d greater than 2


View Answer greater than 2

In reinforced concrete footing on soil, the minimum thickness at edge should not be less than______________?


a100 mm


b 150 mm


c200 mm


d250 mm


View Answer 150 mm

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