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Railways NTPC (Technical Ability) Electrical Machine Question Bank Electrical Machine

  • question_answer
    Which of the bearings and their uses are correct

    A)  Ball bearings                                                                                     \[\to\] small machines

    B)  Roller bearings                                                                                     \[\to\] large machines

    C)  Both A and B

    D)  Neither 1 nor 2

    Correct Answer: C

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