Three Phase Induction Motors The low power factor of induction motor is due to The reactive lagging magnetizing current necessary to generate the magnetic flux Rotor leakage reactance Stator reactance All of these The reactive lagging magnetizing current necessary to generate the magnetic flux Rotor leakage reactance Stator reactance All of these 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. High value for the satisfactory speed control Zero frequency The same frequency as the slip frequency The same phase as the rotor e.m.f. High value for the satisfactory speed control Zero frequency The same frequency as the slip frequency ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If any two phases for an induction motor are interchanged The motor will not run The motor will burn The motor will run at reduced speed The motor will run in reverse direction The motor will not run The motor will burn The motor will run at reduced speed The motor will run in reverse direction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip of an induction motor is negative when Magnetic field and rotor rotate in opposite direction Rotor speed is more than the synchronous speed of the field and are in the same direction Rotor speed is less than the synchronous speed of the field and are in the same direction None of these Magnetic field and rotor rotate in opposite direction Rotor speed is more than the synchronous speed of the field and are in the same direction Rotor speed is less than the synchronous speed of the field and are in the same direction None of these ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of an induction motor runs at Any of the above Synchronous speed Below synchronous speed Above synchronous speed Any of the above Synchronous speed Below synchronous speed Above synchronous speed ANSWER DOWNLOAD EXAMIANS APP
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