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FAULTS, THEIR CAUSES AND REMEDIES OF A.C. 3 PHASE MOTOR MCQs – CHAPTER 3 DAE

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1. Number of slip rings in squirrel cage motor is:





2. Starting torque of squirrel cage induction motor is:





3. Resistance of the stator of 3-phase motor should not be less than:





4. A 3-phase wound motor does not run; its cause may be:





5. Which of the following is a mechanical fault in 3-phase synchronous motor:





6. Wound rotor motor can be run on:





7. Stator of 3-phase synchronous motor is too hot; possible causes:





8. If wrong connection for a given voltage, then motor will be:





9. Wound rotor motor runs at half speed; possible causes:





10. Failure of bearing is:





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