Theory of Machine
In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set to

Reduce vibration
Ensure proper alignment
Reduce slip
Ensure uniform loading

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
Oldham's coupling is the

Second inversion of double slider crank chain
Third inversion of slider crank chain
Second inversion of single slider crank chain
Third inversion of double slider crank chain

ANSWER DOWNLOAD EXAMIANS APP