Theory of Machine
The frictional torque transmitted by a cone clutch is same as that of

Flat collar bearing
Truncated conical pivot bearing
Flat pivot bearing
Conical pivot bearing

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Theory of Machine
In order to give the primary balance of the reciprocating parts of a multi-cylinder inline engines

The algebraic sum of the couples about any point in the plane of the primary forces must be equal to zero
The algebraic sum of the primary forces must be equal to zero
None of these
Both (A) and (B)

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