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Applied Mechanics And Graphic Statics QUESTIONS AND ANSWERS

Civil Engineering : Applied Mechanics And Graphic Statics QUESTIONS AND ANSWERS :: part3 : 16 to 20

Following Civil Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

16.Coefficient of friction depends on

nature of surfaces only

area of contact only

both (a) and (b)

none of the above

17.The unit of rotational inertia of a body in C.G.S system is

cm4

kg-cm2

gm-cm2

gm-cm3

18.One end of an elastic string of natural length / and modulus X is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance x, held at rest and then released. The motion is

a simple harmonic motion

a rectilinear motion with constant speed

a damped oscillatory motion

none of the above

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

1:2

1:1

2:1

3:1

20.In SI units, the units of force and energy are respectively

Newton and watt

Dyne and erg