MCQOPTIONS
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| 1. |
The time taken to face a workpiece of 80 mm diameter for the spindle speed of 90 rpm and cross feed of 0.3 mm/rev will be |
| A. | 4.12 min |
| B. | 3.24 min |
| C. | 2.36 min |
| D. | 1.48 min |
| Answer» E. | |