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Theory of Machine

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

Momentum
Moment of momentum
Torque
Inertia

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Theory of Machine
The Ackermann steering mechanism is preferred to the Davis type in automobiles because

The former is having turning pair
The former is most economical
The former is most rigid
The former is mathematically accurate

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Theory of Machine
When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than

0.25
0.5
1
2

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Theory of Machine
A shaft carrying three rotors will have

No node
Three nodes
Two nodes
One node

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Theory of Machine
Frequency of vibrations is usually expressed in

Number of cycles per second
Number of cycles per hour
None of these
Number of cycles per minute

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Theory of Machine
The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is (Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing)

¾μWR
½μWR
²/₃ μWR
μwr

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