Three Phase Induction Motors An induction motor is so called because its operation depends on Mutual induction Eddy currents Hysteresis Self induction Mutual induction Eddy currents Hysteresis Self induction 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 20 Hz 2 Hz 200 Hz 50 Hz 20 Hz 2 Hz 200 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In medium sized induction motor, the slip is generally around 4 % 14% 0.04 % 0.4 % 4 % 14% 0.04 % 0.4 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At no load the rotor core loss of a 3 phase induction motor is Small Practically zero Large None of the listed here Small Practically zero Large None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the supply voltage of a 3-phase induction motor is increased two times, then torque is _______ Increased two times Increased four times Decreased two times Decreased four times Increased two times Increased four times Decreased two times Decreased four times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 5 H.P., 50Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest? 2880 rpm 1000 rpm 1440 rpm 730 rpm 2880 rpm 1000 rpm 1440 rpm 730 rpm ANSWER DOWNLOAD EXAMIANS APP
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