Three Phase Induction Motors A 3 phase induction motor is running at 2% slip. If the input to rotor is 1000 W, then mechanical power developed by the motor is _______ 500 W 980 W 200 W 20 W 500 W 980 W 200 W 20 W ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frame of an induction motor is usually made of Bronze Aluminium Cast iron Silicon steel Bronze Aluminium Cast iron Silicon steel ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ Increasing rotor reactance Increasing rotor resistance Decreasing rotor resistance None of the listed here Increasing rotor reactance Increasing rotor resistance Decreasing rotor resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor if air gap increased Bearing friction will reduce Copper loss will reduce The power factor will be low Windage losses will be more Bearing friction will reduce Copper loss will reduce The power factor will be low Windage losses will be more ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If any two phases for an induction motor are interchanged The motor will burn The motor will run at reduced speed The motor will not run The motor will run in reverse direction The motor will burn The motor will run at reduced speed The motor will not run The motor will run in reverse direction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is so called because its operation depends on Mutual induction Eddy currents Self induction Hysteresis Mutual induction Eddy currents Self induction Hysteresis ANSWER DOWNLOAD EXAMIANS APP