Cold worked steel parts are normally subjected to_________________?
Correct answer: C. Annealing
- A. Normalising
- B. Hardening
- C. Annealing
- D. Shot peening
Explanation
Cold working increases hardness and residual stresses while reducing ductility, so annealing is used to soften the steel and restore ductility. Normalising or hardening would generally not provide this stress-relieving softening effect.
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