Civil Engineering MCQs

Page No. 163

A body is dropped from a height of 100 m and at the same time another body is projected vertically upward with a velocity of 10 m/sec. The two particles will____________________?


anever meet


b meet after 1 sec


cmeet after 5 sec


dmeet after 10 sec


View Answer meet after 10 sec

Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is____________________?


a 2/3


b 1/5


c 3/5


d 1/3


View Answer 1/5

The maximum pull in a cable, carrying a uniformly distributed load and supported at two ends which are at the same level, is at_____________________?


asupports


bquarter span


c mid span


dnone of the above


View Answer supports

Minimum pull in a suspended cable with supports at two ends is equal to____________________?


ahorizontal thrust


bsupport reactions


cresultant of horizontal thrust and support reaction


dhalf the weight of the cable


View Answer horizontal thrust

Cartesian form of the equation of catenary is_________________?


ay = c cosh x/c


by = c sinh x/c


cy = c tan x/c


dy = c sin”1 x/c


View Answer y = c cosh x/c

Intrinisic equation of catenary is given by____________________?


a S = C tan q>


b S = C cos cp


cS = C sin cp


d S = C cot


View Answer S = C tan q>

A rope is wrapped twice around a rough pole with a coefficient of friction ‘A . It is subjected to a force Fj at one end and a gradually increasing force F2 is applied at the other end till the rope just starts slip-ping. At this instant the ratio of F2 to Fi is_____________________?


a1


be2*


ce4*


de*72


View Answer e2*

A heavy ladder resting on floor and against a vertical wall may not be in equilibrium if________________?


afloor is smooth and wall is rough


bfloor is rough and wall is rough


cboth floor and wall are rough


d both floor and wall are smooth



One Newton is equivalent to________________?


a1 kg-wt


b9.81 kg-wt


c981 dyne


d1/9.81 kg-wt


View Answer 1/9.81 kg-wt

The dimensions of power are_______________?


aM’L2T2


bM’L’T3


c M’L’r2


d M’L-‘T*


View Answer M’L’T3

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