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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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