Railways Technical Ability Metal Forming, Casting and Cutting Question Bank Metal Forming

  • question_answer Cold working produces the following effects:
    1. Stresses are set up in metal
    2. Grain structure gets distorted
    3. Strength and hardness of the metal are decreased
    4. Surface finish is reduced
    Which of these statements are correct?

    A) 1 and 2            

    B) 1, 2 and 3

    C) 3 and 4            

    D) 1 and 4.

    Correct Answer: A

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