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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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