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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
4mr²/5
3mr²/10
3mr²/5

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Engineering Mechanics
The coefficient of restitution for inelastic bodies is

More than one
One
Zero
Between zero and one

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Engineering Mechanics
The velocity ratio for the third system of pulleys is

n²
n
2n
2n - 1

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Engineering Mechanics
A smooth cylinder lying on its convex surface remains in __________ equilibrium.

None of these
Unstable
Neutral
Stable

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Engineering Mechanics
The velocity ratio in case of an inclined plane inclined at angle 'θ' to the horizontal and weight being pulled up the inclined plane by vertical effort is

sinθ
tanθ
cosecθ
cosθ

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Engineering Mechanics
A machine having an efficiency less than 50%, is known as

Neither reversible nor non-reversible machine
Non-reversible machine
Reversible machine
Ideal machine

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MORE MCQ ON Engineering Mechanics

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