πŸ“Š Machine Design
Q. When a metal or alloy is cold worked,
  • (A) Its hardness and strength increases
  • (B) It is worked below recrystallization temperature
  • (C) Both (A) and (B)
  • (D) None of these
πŸ’¬ Discuss
βœ… Correct Answer: (C) Both (A) and (B)

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