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EEE :: D.C. Motors

  1. Which of the following motor is preferred for operation in highly explosive atmosphere?

  2. A.

     Series motor

    B.

     Shunt motor

    C.

     Air motor

    D.

     Battery operated motor


  3. Which method of braking is generally used in elevators?

  4. A.

     Plugging

    B.

     Regenerative braking

    C.

     Rheostat braking

    D.

     None of the above