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Discussion :: Manufacturing and Production Technology

  1. The ratio between two consecutive spindle speeds for a six-speed drilling machine using drills of diameter 6.25 to 25 mm size and at a cutting velocity of 18 m/min is

    2. A.

     1.02
    B.

     1.32
    C.

     1.66
    D.

     1.82

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    Workspace

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    Answer : Option B

    Explanation :

    Explanation Not Provided

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