1.

A 10 mm diameter annealed steel wire is drawn through a die at a speed of 0.5 m/sec to reduce the diameter by 20%. The yield stress of material is 800 MPa. Neglecting friction & strain hardening, calculate the power required for the drawing process (in kW) is _____?

A. 8.97
B. 14
C. 17.95
D. 28
Answer» B. 14


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