MCQOPTIONS
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| 1. |
A blank of 50 mm diameter is to be sheared from a sheet of 2.5 mm thickness. The required radial clearance between the die and the punch is 6% of sheet thickness. The punch and die diameter (mm) for this blanking operation respectively are |
| A. | 50.00 and 50.30 |
| B. | 50.00 and 50.15 |
| C. | 49.70 and 50.00 |
| D. | 49.85 and 50.00 |
| Answer» D. 49.85 and 50.00 | |