Maximum efficiency of a screw jack for the angle of friction `phi` is Options: A . &nbsp`(sin theta)/(1 + sin theta)` B . &nbsp`(1 - sin theta)/(sin theta)` C . &nbsp`(1 + sin theta)/(1 - sin theta)` D . &nbsp`(1 - sin theta )/(1 + sin theta)`

Maxi

Question

Maximum efficiency of a screw jack for the angle of friction `phi` is

Options:

A . `(sin theta)/(1 + sin theta)`

B . `(1 - sin theta)/(sin theta)`

C . `(1 + sin theta)/(1 - sin theta)`

D . `(1 - sin theta )/(1 + sin theta)`

Answer: Option D

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