Q.

Cogging, which is also called as drawing out, is basically?

A. open die forging operation
B. closed die forging operation
C. impression dies forging operation
D. hold die forging operation
Answer» A. open die forging operation
Explanation: cogging is an open die forging process in which flat or slightly contoured die are employed to compress a work piece, reducing its thickness and increasing its length.
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