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Theory of Machine

Theory of Machine
The moment on the pulley which produces rotation is called

Moment of momentum
Momentum
Torque
Inertia

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Theory of Machine
A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located at a distance of 2 mm from the axis of the shaft. When the shaft is allowed to vibrate in its natural bow-shaped mode, it has a frequency of vibration of 10 rad/s. When the shaft is rotated at 300 r.p.m., it will whirl with a radius of

2.50 mm
3.0 mm
2.22 mm
2 mm

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Theory of Machine
When a point at the end of a link moves with constant angular velocity, its acceleration will have

Coriolis component only
Radial component only
Radial and tangential components both
Tangential component only

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Theory of Machine
To transmit power from one rotating shaft to another whose axes are neither parallel nor intersecting, use?

Worm gear
Bevel gear
Spiral gear
Spur gear

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Theory of Machine
A reed type tachometer use the principle of

Transverse vibration
Longitudinal vibration
Torsional vibration
Damped free vibration

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Theory of Machine
The Coriolis component of acceleration leads the sliding velocity by

45°
135°
90°
180°

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