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

  • question_answer The rake angle in a twist drill:

    A) Varies from minimum near the dead centre to a maximum value at the periphery

    B) Is maximum at the dead centre and zero at the periphery

    C) Is constant at every point of the cutting edge

    D) Is a function of the size of the chisel edge

    Correct Answer: C

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