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

  • question_answer
             Tool life in the case of a grinding wheel is the time:

    A) Between two successive wheel dressing      

    B) Taken for the wheel to be balanced           

    C) Taken between two successive wheel balancing

    D) Taken for a wear of 1 mm on its diameter

    Correct Answer: A

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