Three Phase Induction Motors An induction motor is so called because its operation depends on Self induction Hysteresis Eddy currents Mutual induction Self induction Hysteresis Eddy currents Mutual induction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The full load slip of a 3-phase induction motor ranges from None of the listed here 10 to 20 % 2 to 5 % 20 to 30 % None of the listed here 10 to 20 % 2 to 5 % 20 to 30 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor if air gap increased Windage losses will be more The power factor will be low Copper loss will reduce Bearing friction will reduce Windage losses will be more The power factor will be low Copper loss will reduce Bearing friction will reduce ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in terms of Slip ring induction motor Both squirrel cage and slip ring None of the listed here Squirrel cage induction motor Slip ring induction motor Both squirrel cage and slip ring None of the listed here Squirrel cage induction motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ Increasing rotor resistance Increasing rotor reactance Decreasing rotor resistance None of the listed here Increasing rotor resistance Increasing rotor reactance Decreasing rotor resistance None of the listed here 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 _____ 50 Hz 25 Hz 60 Hz None of the listed here 50 Hz 25 Hz 60 Hz None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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