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Theory of Machine

Theory of Machine
The secondary unbalanced force is __________ the primary unbalanced force.

n times
Two-third
One-half
1/n times

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

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

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Theory of Machine
The example of rolling pair is

Bolt and nut
Lead screw of a lathe
Ball and socket joint
Ball bearing and roller bearing

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Theory of Machine
The frictional torque transmitted in a conical pivot bearing with assumption of uniform pressure is __________ as compared to uniform wear.

None of these
More
Less
Same

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Theory of Machine
The Coriolis component of acceleration exists whenever a point moves along a path that has

Gravitational acceleration
Rotational motion
Tangential acceleration
Linear displacement

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Theory of Machine
Length of arc of contact is given by

Arc of approach × Arc of recess
Arc of approach / Arc of recess
Arc of approach - Arc of recess
Arc of approach + Arc of recess

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