Railways NTPC (Technical Ability) Power and Control System Question Bank Control System

  • question_answer
    An AC servomotor (2 ? phase induction motor) has a rotor with

    A)  high resistance winding      

    B)  very small di ameter to reduce inertia

    C)  very small axial length to reduce inertia

    D)  both [a] and [b]

    Correct Answer: D


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