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Engineering Mechanics

Engineering Mechanics
The coefficient of restitution for inelastic bodies is

Between zero and one
One
Zero
More than one

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Engineering Mechanics
The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis is

16 cm4
12 cm4
9 cm4
20 cm4

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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/60 (in watts)
T.ω/75 (in kilowatts)

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Engineering Mechanics
The periodic time of a particle with simple harmonic motion is _________ proportional to the angular velocity.

Square root
None of these
Directly
Inversely

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Engineering Mechanics
Whenever a force acts on a body and the body undergoes a displacement, then

Body has kinetic energy of translation
Work is said to be done
Power is being transmitted
None of these

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Engineering Mechanics
A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is (where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.)

MS/3
MS/5
None of these
MS/4

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