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Engineering Mechanics

Engineering Mechanics
The range of a projectile is maximum, when the angle of projection is

45°
90°
60°
30°

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

Angle of repose
Coefficient of friction
Sliding friction
Angle of friction

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Engineering Mechanics
The center of percussion of a solid cylinder of radius ‘r’ resting on a horizontal plane will be

r/2
2r/3
3r/2
r/A

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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
cosθ
cosecθ
tanθ

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Engineering Mechanics
Coefficient of friction depends upon

Nature of surface only
None of these
Both (A) and (B)
Area of contact only

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

3mr²/5
mr²/3
2mr²/3
2mr²/5

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MORE MCQ ON Engineering Mechanics

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