A round billet made of brass is to be extruded (extrusion constant = 250 MPa) at 700 C. The billet diameter is 100 mm and the diameter of the extrusion is 50 mm. The extrusion force required (in MN) is

A round billet made of brass is to be extruded (extrusion constant = 2

1.	A round billet made of brass is to be extruded (extrusion constant = 250 MPa) at 700 C. The billet diameter is 100 mm and the diameter of the extrusion is 50 mm. The extrusion force required (in MN) is
A.	1.932
B.	2.722
C.	3.423
D.	4.650
Answer» C. 3.423

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A round billet made of brass is to be extruded (extrusion constant = 250 MPa) at 700 C. The billet diameter is 100 mm and the diameter of the extrusion is 50 mm. The extrusion force required (in MN) is

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