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Railways NTPC (Technical Ability) Metal Forming, Casting and Cutting Question Bank Metal Cutting

  • question_answer
              Which of the following given the correct order of increasing hot hardness of cutting tool materials?

    A) Diamond, Carbide, HSS

    B) Carbide, Diamond, HSS

    C) HSS, Carbide, Diamond

    D) HSS, Diamond, Carbide

    Correct Answer: C

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