The groove angle of the pulley for rope drive is usually%! – McqOptions

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1.	The groove angle of the pulley for rope drive is usually%!
A.	20¬¨‚àû
B.	35¬¨‚àû
C.	45¬¨‚àû
D.	60¬¨‚àû
Answer» D. 60¬¨‚àû

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