Three Phase Induction Motors For the same kVA rating, the leakage flux in induction motor is _______ that of transformer. More than Less than About the same None of the listed here More than Less than About the same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The number of slip rings on a squirrel cage induction motor is usually Two None Three One Two None Three One 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 200 Hz 20 Hz 50 Hz 2 Hz 200 Hz 20 Hz 50 Hz 2 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The injected e.m.f. in the rotor of induction motor must have The same phase as the rotor e.m.f. The same frequency as the slip frequency High value for the satisfactory speed control Zero frequency The same phase as the rotor e.m.f. The same frequency as the slip frequency High value for the satisfactory speed control Zero frequency ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed ______ Remains unchanged Is increased Is decreased None of the listed here Remains unchanged Is increased Is decreased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ Provides fine speed control None of the listed here Provides high starting torque Has simple and rugged construction Provides fine speed control None of the listed here Provides high starting torque Has simple and rugged construction ANSWER DOWNLOAD EXAMIANS APP
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