An annealed copper wire of 25 mm diameter is drawn into a wire of 5 mm diameter. The average yield stress in this operation if the curve of the material is given, = 315 0.54 MPa

An annealed copper wire of 25 mm diameter is drawn into a wire of 5 mm

1.	An annealed copper wire of 25 mm diameter is drawn into a wire of 5 mm diameter. The average yield stress in this operation if the curve of the material is given, = 315 0.54 MPa
A.	592 MPa
B.	458 MPa
C.	342 MPa
D.	None of these
Answer» B. 458 MPa

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An annealed copper wire of 25 mm diameter is drawn into a wire of 5 mm diameter. The average yield stress in this operation if the curve of the material is given, = 315 0.54 MPa

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