Electrical Engineering : Polyphase Induction Motors QUESTIONS AND ANSWERS :: part1 : 21 to 25
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
21.In squirrel cage induction motors, the rotor slots are usually given slight skew in order to |
| reduce windage losses |
| reduce eddy currents |
| reduce accumulation of dirt and dust |
| reduce magnetic hum |
22.In an induction motor, no-load the slip is generally |
| less than 1% |
| 1.5% |
| 2% |
| 4% |
23.A double squirrel-cage induction motor has |
| two rotors moving in oppsite direction |
| two parallel windings in stator |
| two parallel windings in rotor |
| two series windings in stator |
More Polyphase Induction Motors QUESTIONS AND ANSWERS available in next pages
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