Three Phase Induction Motors If a 3-phase induction motor is running at slip S, then rotor copper loss is equal to (1-S) × rotor input None of the listed here S × rotor input (1+S) × rotor input (1-S) × rotor input None of the listed here S × rotor input (1+S) × rotor input ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel cage induction motor is changed by None of the listed here Rheostatic control Cascade control Pole changing None of the listed here Rheostatic control Cascade control Pole changing ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor with 1000 r.p.m. speed will have 4 poles 6 poles 8 poles 2 poles 4 poles 6 poles 8 poles 2 poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of an induction motor runs at Synchronous speed Any of the above Below synchronous speed Above synchronous speed Synchronous speed Any of the above Below synchronous speed Above synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, no load the slip is generally 2% 4% 1.5 % Less than 1% 2% 4% 1.5 % Less than 1% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The full load slip of a 3-phase induction motor ranges from 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 % 2 to 5 % ANSWER DOWNLOAD EXAMIANS APP