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

  • question_answer Which one of the following is not a characteristic of ceramic tools?

    A) Produced by sintering process

    B) Hot hardness up to \[1400{}^\circ C\]

    C) Exhibit high coefficient of friction with most work materials

    D) Tool tips are highly brittle

    Correct Answer: C


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