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1. |
If the effective flow stress for extrusion is 100 MPa and the extrusion ratio is 4, then find the ideal extrusion pressure for the process? |
A. | 150.5 MPa |
B. | 170.5 MPa |
C. | 138.6 MPa |
D. | 257.2 MPa |
Answer» D. 257.2 MPa | |