Civil Engineering MCQs

Page No. 231

The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than________________?


a4 mm


b5 mm


c 6 mm


d7 mm


View Answer 7 mm

If Ac, Asc and A are areas of concrete, longitudinal steel and section of a R.C.C. column and m and c are the modular ratio and maximum stress in the configuration of concrete, the strength of column is______________?


a cAc + m cAsc


bc(A – Asc) + m cAsc


cc[A + (m – 1)ASC]


dAll the above


View Answer All the above

If longitudinally spanning stairs are casted along with their landings, the maximum bending moment per metre width, is taken as___________________?


awl²/4


bwl²/8


c wl²/10


dwl²/12


View Answer wl²/8

On an absolutely rigid foundation base, the pressure will________________?


aBe more at the edges of the foundation


bBe uniform


cNot be uniform


d Be zero at the centre of the foundation


View Answer Not be uniform

The live load to be considered for an accessible roof, is________________?


aNil


b 75 kg/m3


c150 kg/m 2


d200 kg/cm 2


View Answer 150 kg/m 2

According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than______________?


a5 cm


b10 cm


c15 cm


d20 cm


View Answer 15 cm

per unit run exerted by the Total pressure on the vertical face of a retaining wall of height retained earth weighing per unit volume, is___________________?


a wh [(1 – )/(1 + sin )]


bwh² [(1 – )/(1 + sin )]


cwh² [(1 – )/2(1 + sin )]


d wh² [(1 – )/3(1 + sin )]



A part of the slab may be considered as the flange of the T-beam if__________________?


a Flange has adequate reinforcement transverse to beam


b It is built integrally with the beam


cIt is effectively bonded together with the beam


d All the above


View Answer All the above

A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n1. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is____________________?


a bn (fc/2) (d – n/3)


bAtft (d – n/3)


c½ n1 (1 – n1/3) cbd²


dAll the above


View Answer All the above

By over-reinforcing a beam, the moment of resistance can be increased not more than________________?


a10 %


b 15 %


c20 %


d25 %


View Answer 25 %

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