Three Phase Induction Motors An induction motor is Self starting with low torque Self starting with high torque Non self starting Self starting with zero torque Self starting with low torque Self starting with high torque Non self starting Self starting with zero torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frequency of rotor current in a 6-pole , 50 Hz, 3-phase induction motor running at 950 rpm is 1.5 Hz 5 Hz 0.05 Hz 2.5 Hz 1.5 Hz 5 Hz 0.05 Hz 2.5 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the air gap between the rotor and stator of a 3-phase induction motor is increased, then_______ None of the listed here Leakage reactances are increased No load current is decreased Leakage reactances are decreased None of the listed here Leakage reactances are increased No load current is decreased Leakage reactances are decreased ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In medium sized induction motor, the slip is generally around 0.4 % 14% 0.04 % 4 % 0.4 % 14% 0.04 % 4 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel cage induction motor is changed by Rheostatic control None of the listed here Cascade control Pole changing Rheostatic control None of the listed here Cascade control Pole changing 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 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 (1-S) × rotor input ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS