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What is the correct answer?

4

The contact ratio is given by

A. (Length of the path of approach)/(Circular pitch)

B. (Length of path of recess)/(Circular pitch)

C. (Length of the arc of contact)/(Circular pitch)

D. (Length of the arc of approach)/cosφ

Correct Answer :

C. (Length of the arc of contact)/(Circular pitch)


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