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 _______ 980 W 20 W 200 W 500 W 980 W 20 W 200 W 500 W 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 _______ Increased four times Increased two times Decreased four times Decreased two times Increased four times Increased two times Decreased four times Decreased two times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The power factor of an induction motor under no load conditions will be closer to 0.5 leading 0.2 leading Unity 0.2 lagging 0.5 leading 0.2 leading Unity 0.2 lagging ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of an induction motor is maximum when rotor resistance per phase is _____ rotor reactance / phase. Two times Four times Equal to None of the listed here Two times Four times Equal to None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The crawling in an induction motor is caused by Harmonics developed in the rotor Improper design of machine Low voltage supply High loads Harmonics developed in the rotor Improper design of machine Low voltage supply High loads ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor the relationship between stator slots and rotor slots is that Stator slots are not exact multiple of rotor slots Stator slots are exact multiple of rotor slots None of the listed here Stator slots are equal to rotor slots Stator slots are not exact multiple of rotor slots Stator slots are exact multiple of rotor slots None of the listed here Stator slots are equal to rotor slots ANSWER DOWNLOAD EXAMIANS APP