Theory of Machine
Effort of a governor is the

Work-done at the sleeve for maximum equilibrium speed
None of these
Mean force exerted at the sleeve for a given percentage change of speed
Mean force exerted at the sleeve for maximum equilibrium speed

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Theory of Machine
In elliptical trammels

One pair turning and three pairs sliding
Two pairs turning and two pairs sliding
Three pairs turning and one pair sliding
All four pairs are turning

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Theory of Machine
When a mass of a critically damped single degree of freedom system is deflected from its equilibrium position and released, then it will

Oscillate with increasing time period
Oscillate with constant amplitude
Oscillate with decreasing amplitude
Return to equilibrium position without oscillation

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