Three Phase Induction Motors The crawling in an induction motor is caused by Low voltage supply Harmonics developed in the rotor Improper design of machine High loads Low voltage supply Harmonics developed in the rotor Improper design of machine High loads ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The low power factor of induction motor is due to All of these Rotor leakage reactance The reactive lagging magnetizing current necessary to generate the magnetic flux Stator reactance All of these Rotor leakage reactance The reactive lagging magnetizing current necessary to generate the magnetic flux Stator reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The reactance of the rotor circuit of a 3-phase induction motor is maximum at Half full load Starting No load Full load Half full load Starting No load Full load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Size of a high speed motor as compared to low speed motor for the same HP will be Bigger Any of the listed here Smaller Same Bigger Any of the listed here Smaller Same ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, no load the slip is generally 1.5 % 2% Less than 1% 4% 1.5 % 2% Less than 1% 4% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor with 1000 r.p.m. speed will have 2 poles 4 poles 6 poles 8 poles 2 poles 4 poles 6 poles 8 poles ANSWER DOWNLOAD EXAMIANS APP