In extrusion of metals, which of the following statement is true ? – McqOptions

MCQOPTIONS

1.	In extrusion of metals, which of the following statement is true ?
A.	speed of the extruded material is same as that of ram speed.
B.	Redundant work is a function of the die angle.
C.	Relative motion between the billet surface and the container wall is always present.
D.	Hollow ram is used for indirect extrusion.
Answer» E.

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