Machine Design
The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to(Where, Pc = tension in belt due to centrifugal force)

Pc/3
1 Pc
2 Pc
3 Pc

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Machine Design
A stud

Has a head on one end and a nut fitted to the other
Has both the ends threaded
Has pointed threads
Has head at one end and other end fits into a tapped hole in the other part to be joined

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Machine Design
Pitch point of a cam is

A point on the pitch curve having maximum pressure angle
Any point on the pitch curve
Any point on the pitch circle
A point on the pitch curve having minimum pressure angle

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