Theory of Machine
The frictional torque transmitted in a conical pivot bearing, considering uniform wear, is

μ W R cosecα
(1/2) μ W R cosecα
(2/3) μ W R cosecα
(3/4) μ W R cosecα

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Theory of Machine
The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. This may be used to kinematic chains in which higher pairs are used, but each higher pair may be taken as equivalent to

Any one of these
Two lower pairs and one additional link
Two lower pairs and two additional links
One lower pair and two additional links

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Theory of Machine
Effort of a governor is the

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

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