Q57
In extrusion of metals, which of the following statement(s) is/are true?
A.
Speed of the extruded material is the same as that of ram speed
B.
Redundant work is a function of die angle
AnswerC.
Relative motion between the billet surface and the container wall is always present
D.
Hollow ram is used for indirect extrusion
Answer: Option B
Solution
Answer: Option B
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