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Theory of Machine

Theory of Machine
A slider crank chain consists of following numbers of turning and sliding pairs

2, 2
4, 0
1, 3
3, 1

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Theory of Machine
Tangential acceleration direction is

Opposite to angular velocity
Along the angular velocity
Perpendicular to angular velocity
May be any one of these

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Theory of Machine
When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled governor is Fc = ar + b, then the governor will be

None of these
Isochronous
Stable
Unstable

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Theory of Machine
For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that

Governor A is more sensitive than governor B
Governor B is more sensitive than governor A
None of these
Both governors A and B are equally sensitive

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Theory of Machine
Davis steering gear consists of

Turning pairs
Rolling pairs
Higher pairs
Sliding pairs

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

2ECS²
2ECS
EC S/2
2E²CS

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