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 20 Hz 50 Hz 200 Hz 2 Hz 20 Hz 50 Hz 200 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 300 rpm 1200 rpm 600 rpm 1000 rpm 300 rpm 1200 rpm 600 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ 25 Hz 60 Hz 50 Hz None of the listed here 25 Hz 60 Hz 50 Hz None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the supply voltage of a 3-phase induction motor is increased two times, then torque is _______ Decreased four times Decreased two times Increased two times Increased four times Decreased four times Decreased two times Increased two times Increased four times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Low Slightly more than full load torque Same as full load torque Negligible Low Slightly more than full load torque Same as full load torque Negligible ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is so called because its operation depends on Eddy currents Self induction Mutual induction Hysteresis Eddy currents Self induction Mutual induction Hysteresis ANSWER DOWNLOAD EXAMIANS APP
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