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| Q. |
A sheet metal 2 mm thick having a shear strength of 40 kg/cm2 is to receive a punch hole of 35 mm diameter. The force required to make the punching will be |
| A. | 12,540 kg |
| B. | 88 kg |
| C. | 4400 kg |
| D. | 2200 kg |
| E. | 17,600 kg |
| Answer» B. 88 kg | |
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