The percentage improvement in power capacity of a flat belt drive, whe – McqOptions

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1.	The percentage improvement in power capacity of a flat belt drive, when the wrap angle at the driving pulley is increased from 150° to 210° by an idler arrangement for a friction coefficient of 0.3 is
A.	25.21
B.	33.92
C.	40.17
D.	67.85
Answer» E.

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