When the material of key and shaft is same, and the width of key is one-fourth o

Question

When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be

Options:

A . 0.8 d

B . 1.2 d

C . 1.57 d

D . 1.8 d

Answer: Option C

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