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Theory of Machine

Theory of Machine
With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by

2ECS
EC S/2
2E²CS
2ECS²

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Theory of Machine
The behaviour of gases can be fully determined by

4 laws
2 laws
3 laws
1 law

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Theory of Machine
Sense of tangential acceleration of a link

Could be either same or opposite to velocity
Is perpendicular to that of velocity
Is same as that of velocity
Is opposite to that of velocity

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Theory of Machine
The mechanism in which two are turning pairs and two are sliding pairs, is called a

All of these
Scotch yoke mechanism
Elliptical trammel
Double slider crank chain

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Theory of Machine
A system in dynamic balance implies that

The system is also statically balanced
The system is critically damped
There is no critical speed in the system
There will absolutely no wear of bearings

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Theory of Machine
The rotating shafts tend to vibrate violently at whirling speeds because

Bearing centre line coincides with the axis
The system is unbalanced
Resonance is caused due to the heavy mass of the rotor
The shafts are rotating at very high speeds

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