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

  • question_answer
    Consider the following machine tools:
    1. Hobbing machine
    2. Gear shaping machine
    3. Broaching machine
    The teeth of internal spur gears can be cut in:

    A) 1, 2 and 3                     

    B) 1 and 2

    C) 1 and 3            

    D) 2 and 3

    Correct Answer: D

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