Three Phase Induction Motors The torque developed by a 3 phase induction motor least depends on Rotor power factor Rotor emf Rotor current Shaft diameter Rotor power factor Rotor emf Rotor current Shaft diameter 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 2 Hz 200 Hz 50 Hz 20 Hz 2 Hz 200 Hz 50 Hz 20 Hz 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 None of the listed here Is increased Is decreased Remains unchanged None of the listed here Is increased Is decreased ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is Self starting with zero torque Self starting with high torque Self starting with low torque Non self starting Self starting with zero torque Self starting with high torque Self starting with low torque Non self starting ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 60 to 90% 99% 95 to 98 % 80 to 90% 60 to 90% 99% 95 to 98 % 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor the relationship between stator slots and rotor slots is that Stator slots are not exact multiple of rotor slots Stator slots are exact multiple of rotor slots Stator slots are equal to rotor slots None of the listed here Stator slots are not exact multiple of rotor slots Stator slots are exact multiple of rotor slots Stator slots are equal to rotor slots None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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