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Polyphase Induction Motors - section-1
  1. The torque developed in the cage induction motor with auto-starter is

    2. A.

     k/torque with direct switching
    B.

     K × torque with direct switching
    C.

     K2 × torque with direct switching
    D.

     k2/torque with direct switching

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  2. The efficiency of an induction motor can be expected to be nearly

    3. A.

     60 to 90 %
    B.

     80 to 90 %
    C.

     95 to 98 %
    D.

     99 %

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