MCQOPTIONS
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| 1. |
What is the force required to be exerted by the punch in order to shear out the blank (for a circular disc) of 20 mm diameter and 1.5 mm thickness and having a shear strength equal to 300 MPa? |
| A. | 9.0 kN |
| B. | 18.0 kN |
| C. | 28.3 kN |
| D. | 45.0 kN |
| Answer» D. 45.0 kN | |