A propeller of 5.65m in diameter having a mean pitch of 4.88m turning at 72 rpm at a sp

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A propeller of 5.65m in diameter, having a mean pitch of 4.88m, turning at 72 rpm, at a speed of 11 knots (339.79m/min), will give _____ of apparent slip.

A.0.967

B.0.033

C.0.031

D.0.969

请帮忙给出正确答案和分析,谢谢!

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