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Engineering Mechanics

Engineering Mechanics
The unit of work in S.I. units is

Newton
erg
joule
kg-m

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

None of these
Inversely
Square root
Directly

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Engineering Mechanics
The moment of inertia of a solid sphere of mass ‘m’ and radius ‘r’ is

2mr²/3
mr²/2
2mr²/5
mr²

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Engineering Mechanics
The C.G. of a solid hemisphere lies on the central radius 3r

At distance — from the plane base 3r
At distance — from the plane base 3r
At distance — from the plane base 3r
At distance — from the plane base

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

Less than
Equal to
Greater than
None of these

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Engineering Mechanics
If the gravitational acceleration at any place is doubled, then the weight of a body will be

g/2
√2.g
2g
g

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MORE MCQ ON Engineering Mechanics

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