Cold heading or upsetting is categorised as the ________________ process ?
Correct answer: D. Forging
- A. Extrusion
- B. Bending
- C. Rolling
- D. Forging
Explanation
Cold heading or upsetting compresses a portion of a metal blank to increase its cross-sectional area, commonly forming bolt heads. This bulk deformation operation is a type of forging.
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