Three Phase Induction Motors The stator of a three phase induction motor produces _______ magnetic field. None of the listed here Alternating Rotating Steady None of the listed here Alternating Rotating Steady ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The complete circle diagram of induction motor can be drawn with the help of data found from No-load test Stator resistance test Blocked rotor test All of these No-load test Stator resistance test Blocked rotor test All of these ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Insertion of resistance in the rotor of an induction motor to develop a given torque Increases the rotor current Rotor current becomes zero Decreases the rotor current Rotor current remains same Increases the rotor current Rotor current becomes zero Decreases the rotor current Rotor current remains same 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 50 Hz 20 Hz 200 Hz 2 Hz 50 Hz 20 Hz 200 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel-cage induction motor can be controlled by all of the following except Changing winding resistance Reducing supply voltage Changing number of poles Changing supply frequency Changing winding resistance Reducing supply voltage Changing number of poles Changing supply frequency ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be Large As small as possible 1 Very large Large As small as possible 1 Very large ANSWER DOWNLOAD EXAMIANS APP
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