6230Chemical EngineeringMedium
In cold working of metal as compared to its hot working________?
ADuctility and impact strength improves
BAppreciable strain hardening is produced
CYield stress, hardness and fatigue strength is not at all affected
DCracks and blow holes are eliminated
Correct answer
B. Appreciable strain hardening is produced
Explanation
The correct answer is Appreciable strain hardening is produced.