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Discussion :: Manufacturing and Production Technology

  1. The obtuse angle, included between the chisel edge and the lip as viewed from the end of a drill, is called

    2. A.

     Helix or rake angle
    B.

     Point angle
    C.

     Chisel edge angle
    D.

     Lip clearance angle

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    Workspace

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    Answer : Option C

    Explanation :

    The obtuse angle, included between the chisel edge and the lip as viewed from the end of a drill, is called Chisel edge angle It is the angle included between the chisel edge and lip of the twist drill when measuring on a plane normal to the axis.

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