Three Phase Induction Motors If a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ 25 Hz 50 Hz None of the listed here 60 Hz 25 Hz 50 Hz None of the listed here 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The stator of a three phase induction motor produces _______ magnetic field. Rotating None of the listed here Alternating Steady Rotating None of the listed here Alternating Steady ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ Provides fine speed control Provides high starting torque Has simple and rugged construction None of the listed here Provides fine speed control Provides high starting torque Has simple and rugged construction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The low power factor of induction motor is due to 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 Stator reactance The reactive lagging magnetizing current necessary to generate the magnetic flux ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Friction and windage loss of a 3 phase induction motor are Remains the same at all loads None of the listed here Minimum at no load Maximum at no load Remains the same at all loads None of the listed here Minimum at no load Maximum at no load 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
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