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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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