Three Phase Induction Motors A 3 phase 440 v, 50 Hz induction motor has 4% slip. The frequency of rotor emf will be 20 Hz 200 Hz 2 Hz 50 Hz 20 Hz 200 Hz 2 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The induction motor has lagging power factor during Starting only Both starting and operation Operation only None of the listed here Starting only Both starting and operation Operation only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In the circle diagram for induction motor, the diameter of the circle represents Running torque Slip Rotor current Line voltage Running torque Slip Rotor current Line voltage 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 Reducing supply voltage Changing supply frequency Changing winding resistance Changing number of poles Reducing supply voltage Changing supply frequency Changing winding resistance Changing number of poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If any two phases for an induction motor are interchanged 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 The motor will not run The motor will burn ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In medium sized induction motor, the slip is generally around 14% 0.04 % 0.4 % 4 % 14% 0.04 % 0.4 % 4 % ANSWER DOWNLOAD EXAMIANS APP
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