Theory of Machine
In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other.

Zero
Any +ve value
Infinity
Any -ve value

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Theory of Machine
The maximum fluctuation of energy is the

Ratio of the mean resisting torque to the work-done per cycle
Sum of the maximum and minimum energies
Difference between the maximum and minimum energies
Variations of energy above and below the mean resisting torque line

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Theory of Machine
Effort of a governor is the

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

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