Three Phase Induction Motors If a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ 50 Hz None of the listed here 25 Hz 60 Hz 50 Hz None of the listed here 25 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The reactance of the rotor circuit of a 3-phase induction motor is maximum at Full load Starting No load Half full load Full load Starting No load Half full load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors One of the speeds of a 2 speed squirrel cage induction motor is 800 rpm. The other speed will be _____ 400 rpm 2400 rpm 1600 rpm 1200 rpm 400 rpm 2400 rpm 1600 rpm 1200 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is so called because its operation depends on Eddy currents Self induction Mutual induction Hysteresis Eddy currents Self induction Mutual induction Hysteresis 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 None of the listed here (1+S) × rotor input (1-S) × rotor input S × rotor input None of the listed here (1+S) × rotor input (1-S) × rotor input ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase induction motor is running at 2% slip. If the input to rotor is 1000 W, then mechanical power developed by the motor is _______ 500 W 20 W 980 W 200 W 500 W 20 W 980 W 200 W ANSWER DOWNLOAD EXAMIANS APP
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