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Theory of Machine

Theory of Machine
The minimum force required to slide a body of weight W on a rough horizontal plane is

W tanθ
W cosecθ
W sinθ
W cosθ

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Theory of Machine
The axis of precession is __________ to the plane in which the axis of spin is going to rotate.

Perpendicular
None of these
Both A and B
Parallel

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Theory of Machine
Whirling speed of the shaft is the speed at which

Combination of transverse and longitudinal vibration occurs
Torsional vibrations occur
Shaft tends to vibrate in longitudinal direction
Shaft tends to vibrate vigorously in transverse direction

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Theory of Machine
When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as

Simple pendulum
Compound pendulum
Second's pendulum
Torsional pendulum

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Theory of Machine
The Coriolis component of acceleration depends upon

Velocity of slider
None of these
Both (A) and (B)
Angular velocity of the link

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Theory of Machine
Klein's construction is useful to determine

Displacement of various parts
Acceleration of various parts
Angular acceleration of various parts
Velocity of various parts

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