Civil Engineering MCQs

Page No. 193

A road of uniform cross-section A and length L force P. The Young’s Modulus E of the material, is_________________?


a E = /A. L


b E =/P. L


c E = P. L/


d E = P. A/


View Answer E = P. L/

The yield moment of a cross section is defined as the moment that will just produce the yield stress in_________________?


aThe outer most fibre of the section


bThe inner most fibre of the section


cThe neutral fibre of the section


dThe fibre everywhere



A simply supported beam carries varying load from zero at one end and w at the other end. If the length of the beam is a, the maximum bending moment will be_______________?


awa/27


bwa²/27


cw²a


dwa²


View Answer wa²

The forces acting on the bar as shown in the given figure introduce________________?


aCompressive stress


bTensile stress


cShear stress


dNone of these


View Answer Shear stress

The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due to flowing liquid, is__________________?


a ½


b1


c


d2


View Answer 2

A compound bar consists of two bars of equal length. Steel bar cross -section is 3500 mm2and that of brass bar is 3000 mm2. These are subjected to a compressive load 100,000 N. If Eb = 0.2 MN/mm2 and Eb = 0.1 MN/mm2, the stresses developed are___________________?


a b = 10 N/mm2 s = 20 N/mm 2


b b = 8 N/mm2 s = 16 N/mm2


cb = 6 N/mm2 s = 12 N/mm2


d b = 5 N/mm2 s = 10 N/mm2



The degree of indeterminacy of the frame in the given figure, is__________________?


a 1


b2


c3


dZero


View Answer 3

For determining the force in the member AB of the truss shown in the given figure by method of sections, the section is made to pass through AB, AD and ED and the moments are taken about___________________?


aJoint C


b Joint B


cJoint D


d Joint A


View Answer Joint D

The ratio of crippling loads of a column having both the ends fixed to the column having both the ends hinged, is________________?


a 1


b 2


c3


d 4


View Answer 4

A compound truss may be formed by connecting two simple rigid frames, by_________________?


aTwo bars


bThree bars


cThree parallel bars


dThree bars intersecting at a point


View Answer Three bars

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