Three Phase Induction Motors The magnetising current drawn by a 3 phase induction motor is about _______ of full load stator current. 15 to 20 % 30 to 50% 5% 10 to 15% 15 to 20 % 30 to 50% 5% 10 to 15% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The power factor of an induction motor under no load conditions will be closer to 0.5 leading 0.2 lagging Unity 0.2 leading 0.5 leading 0.2 lagging Unity 0.2 leading ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The crawling in an induction motor is caused by Harmonics developed in the rotor Improper design of machine Low voltage supply High loads Harmonics developed in the rotor Improper design of machine Low voltage supply High loads ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor with 1000 r.p.m. speed will have 2 poles 8 poles 6 poles 4 poles 2 poles 8 poles 6 poles 4 poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The induction motor has lagging power factor during Operation only Both starting and operation Starting only None of the listed here Operation only Both starting and operation Starting only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by 1/S S 1-S S/1-S 1/S S 1-S S/1-S ANSWER DOWNLOAD EXAMIANS APP
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