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Engineering Mechanics

Engineering Mechanics
The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is

2mr²/3
mr²/3
2mr²/5
3mr²/5

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Engineering Mechanics
The ratio of static friction to dynamic friction is always

None of these
Equal to one
Greater than one
Less than one

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Engineering Mechanics
Mass moment of inertia of a uniform thin rod of mass M and length (l) about its mid-point and perpendicular to its length is

(2/3) Ml²
(3/4) Ml²
(1/12) Ml²
(1/3) Ml²

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Engineering Mechanics
For a self locking machine, the efficiency must be

Greater than 50%
Equal to 50%
Less than 50%
1

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Engineering Mechanics
The ratio of limiting friction and normal reaction is known as

Angle of friction
Coefficient of friction
Angle of repose
Sliding friction

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Engineering Mechanics
The bodies which rebound after impact are called

Neither elastic nor inelastic bodies
Inelastic bodies
None of these
Elastic bodies

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MORE MCQ ON Engineering Mechanics

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