Civil Engineering MCQs

Page No. 222

A pre-stressed concrete member__________________?


a Is made of concrete


bIs made of reinforced concrete


cIs stressed after casting


d Possesses internal stresses



A flat slab is supported_______________?


a On beams


bOn columns


cOn beams and columns


dOn columns monolithically built with slab



A foundation is called shallow if its depth, is________________?


aOne-fourth of its width


bHalf of its width


cThree-fourth of its width


dEqual to its width


View Answer Equal to its width

Post tensioning system_______________?


aWas widely used in earlier days


b Is not economical and hence not generally used


c Is economical for large spans and is adopted now a days


dNone of these


View Answer None of these

To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than________________?


a b/3


b b/4


cb/5


db/6


View Answer b/6

Steel beam theory is used for_______________?


aDesign of simple steel beams


b Steel beams encased in concrete


c Doubly reinforced beams ignoring compressive stress in concrete


dBeams if shear exceeds 4 times allowable shear stress



The diameter of longitudinal bars of a column should never be less than_____________?


a6 mm


b8 mm


c10 mm


d12 mm


View Answer 12 mm

In a pre-stressed beam carrying an external load W with a bent tendon is having angle of -stressed load P. The net downward load at the centre is_________________?


a W – 2P


bW – P


c W – P


d W – 2P


View Answer W – 2P

On piles, the drop must be at least_______________?


a80 cm


b100 cm


c120 cm


d140 cm


View Answer 120 cm

Though the effective depth of a T-beam is the distance between the top compression edge to the centre of the tensile reinforcement, for heavy loads, it is taken as__________________?


a1/8th of the span


b 1/10th of the span


c1/12th of the span


d1/16th of the span


View Answer 1/12th of the span

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