Railways Technical Ability Metrology and Inspection Question Bank Metrology and Inspection

  • 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 de- creased
    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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