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| Q. |
A round billet made of 70-30 brass is extruded at a temperature of 675°C. The billet diameter is 125 mm, and the diameter of the extrusion is 50 mm. Calculate the extrusion force required. |
| A. | 4 mn |
| B. | 5 mn |
| C. | 5.6 mn |
| D. | none of the mentioned |
| Answer» C. 5.6 mn | |
| Explanation: the extrusion force is calculated using | |
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