Theory of Machine
The frictional torque transmitted by a disc or plate clutch is same as that of

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

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Theory of Machine
Crowning on pulleys helps

In decreasing the slip of the belt
Increase belt and pulley life
In increasing velocity ratio
For automatic adjustment of belt position so that belt runs centrally

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Theory of Machine
For dynamic balancing of a shaft

Both (A) and (B)
None of these
The net couple due to the dynamic forces acting on the shaft is equal to zero
The net dynamic force acting on the shaft is equal to zero

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