Three Phase Induction Motors The low power factor of induction motor is due to Stator reactance The reactive lagging magnetizing current necessary to generate the magnetic flux All of these Rotor leakage reactance Stator reactance The reactive lagging magnetizing current necessary to generate the magnetic flux All of these Rotor leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At starting of a double squirrel cage induction motor _______ None of the listed here Lower cage winding has low reactance Outer cage winding has good pf Lower winding is more effective None of the listed here Lower cage winding has low reactance Outer cage winding has good pf Lower winding is more effective ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed by a 3 phase induction motor least depends on Rotor emf Rotor current Rotor power factor Shaft diameter Rotor emf Rotor current Rotor power factor Shaft diameter ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of an induction motor runs at Below synchronous speed Above synchronous speed Any of the above Synchronous speed Below synchronous speed Above synchronous speed Any of the above Synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The direction of rotation of field in a 3 phase induction motor depends upon _____ Phase sequence of supply voltage Number of poles Supply frequency Magnitude of supply voltage Phase sequence of supply voltage Number of poles Supply frequency Magnitude of supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by S/1-S 1/S S 1-S S/1-S 1/S S 1-S ANSWER DOWNLOAD EXAMIANS APP
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