Three Phase Induction Motors The full load slip of a 3-phase induction motor ranges from 2 to 5 % 10 to 20 % None of the listed here 20 to 30 % 2 to 5 % 10 to 20 % None of the listed here 20 to 30 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of induction motor Always revolves in the direction opposite to stator flux Insufficient data Always revolves in the direction of stator flux None of the listed here Always revolves in the direction opposite to stator flux Insufficient data Always revolves in the direction of stator flux None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase 440 v, 50 Hz induction motor has 4% slip. The frequency of rotor emf will be 2 Hz 50 Hz 20 Hz 200 Hz 2 Hz 50 Hz 20 Hz 200 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ None of the listed here 60 Hz 25 Hz 50 Hz None of the listed here 60 Hz 25 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3-phase induction motor is running at slip S, then rotor copper loss is equal to S × rotor input (1+S) × rotor input None of the listed here (1-S) × rotor input S × rotor input (1+S) × rotor input None of the listed here (1-S) × rotor input ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage rotor, the bars are not placed parallel to the shaft but are skewed to have ______ Uniform torque Less rotor losses None of the listed here Greater mechanical strength Uniform torque Less rotor losses None of the listed here Greater mechanical strength ANSWER DOWNLOAD EXAMIANS APP