Civil Engineering MCQs

Page No. 158

The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by__________________?


a1:2


b1:1


c2:1


d 3:1


View Answer 3:1

Time period and length of a seconds pendulum respectively are_________________?


a1 sec and 99.4 cm


b1 sec and 92.7 cm


c 2 sec and 99.4 cm


d2 sec and 92.7 cm


View Answer 2 sec and 99.4 cm

A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete vibration is 1 sec, then the maximum velocity of the particle is___________________?


a 1.00 m/sec


b 1.57 m/sec


c 3.14 m/sec


d 6.28 m/sec


View Answer 3.14 m/sec

Joule is the unit of__________________?


apower


bimpulse


cwork


dmomentum


View Answer work

A quantity whose dimensions are M2L2 T3 could be the product of_________________?


aforce and pressure


bmass and power


cenergy and velocity


d force and velocity


View Answer mass and power

If y is force and x is velocity, then dimensions of —=r are dx2__________________?


a M’^T’


bM’L-‘T0


cM’L-‘T1


dM2L’T3


View Answer M’L-‘T0

The dimensions of centrifugal force are__________________?


aM1 L2 T2


b M’L’T1


c M’L’T2


dM’L-‘T2


View Answer M’L’T2

The unit of rotational inertia of a body in C.G.S system is________________?


acm4


bkg-cm2


cgm-cm2


dgm-cm3


View Answer gm-cm2

In SI units, the units of force and energy are respectively___________________?


aNewton and watt


bDyne and erg


cNewton and joule


dkg-wt and joule


View Answer Newton and joule

A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are____________________?


a1346.3 kN and 1500 kN


b 1436.2 kN and 1250 kN


c 1346.3 kN and 1250 kN


d1436.2 kN and 1500 kN



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