Q.

In the lathe it is the peripheral speed of the work piece cutting speed of tool is expressed in m/min, V is

A. = 𝜋𝐷𝑁/1000
B. = 𝜋𝐷/1000
C. = 𝐷𝑁/1000
D. =𝜋𝐷𝑁/10
Answer» A. = 𝜋𝐷𝑁/1000
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