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Engineering Mechanics

Engineering Mechanics
The moment of inertia of a solid cone of mass ‘m’ and base radius ‘r’ about its vertical axis is

2mr²/5
3mr²/10
3mr²/5
4mr²/5

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Engineering Mechanics
The linear velocity of a body rotating at ω rad/s along a circular path of radius r is given by

ω/r
ω².r
ω²/r
ω.r

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Engineering Mechanics
Coplanar non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane.

Meet
Do not meet
None of these
Either ‘A’ or ‘B’

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Engineering Mechanics
The power developed by a body acted upon by a torque 'T' Newton meter (N - m) and revolving at ω radian/s is given by

T.ω/4500 (in kilowatts)
T.ω (in watts)
T.ω/75 (in kilowatts)
T.ω/60 (in watts)

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Engineering Mechanics
The velocity ratio for the first system of pulleys is (where n is the number of pulleys.)

2n
n
2n - 1
n²

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Engineering Mechanics
The rate of doing work is known as

Power
Potential energy
None of these
Kinetic energy

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MORE MCQ ON Engineering Mechanics

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