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Discussion :: Polyphase Induction Motors

  1. 5 H.P., 50Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest?

    2. A.

     730 r.p.m.
    B.

     960 r.p.m.
    C.

     1440 r.p.m.
    D.

     2880 r.p.m.

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    Answer : Option A

    Explanation :

    Explanation Not Provided

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