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Engineering Mechanics

Engineering Mechanics
A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of

2 m
3 m
1 m
4 m

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Engineering Mechanics
The efficiency of a lifting machine is the ratio of

Work done by the machine to the work done on the machine
Mechanical advantage to the velocity ratio
All of these
Output to the input

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Engineering Mechanics
Center of gravity of a thin hollow cone lies on the axis at a height of

Three-eighth of the total height above the base
One-third of the total height above base
One-fourth of the total height above base
One-half of the total height above base

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Engineering Mechanics
The ideal angle of banking provided on the curves on roads depends upon

Nature of the road surface
(Velocity)2 of the vehicle
Coefficient of friction between the road and vehicle contact point
Weight of the vehicle

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

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Engineering Mechanics
In actual machines, mechanical advantage is _________ velocity ratio.

Greater than
Less than
None of these
Equal to

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MORE MCQ ON Engineering Mechanics

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