Electrical Engineering Questions And Answers :: Polyphase Induction Motors: part1

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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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