Q.

Which of the following represents the formula for cutting speed? cs =cutting speed, D= diameter of work, N= rpm.

A. cs = (3.14*d*n)
B. cs = (d*n)
C. cs = (3.14*d)/n
D. none of the mentioned
Answer» A. cs = (3.14*d*n)
Explanation: cs = (3.14*d*n) – this is the formula for finding the cutting speed.
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