Three Phase Induction Motors The approximate efficiency of a 3-phase , 50 Hz, 4 pole induction motor running at 1350 rpm is ______ 65% 90% 40% None of the listed here 65% 90% 40% 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 _______ Increased two times Decreased two times Decreased four times Increased four times Increased two times Decreased two times Decreased four times Increased four times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frequency of rotor current in a 6-pole , 50 Hz, 3-phase induction motor running at 950 rpm is 0.05 Hz 1.5 Hz 2.5 Hz 5 Hz 0.05 Hz 1.5 Hz 2.5 Hz 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by 1/S S 1-S S/1-S 1/S S 1-S S/1-S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor the relationship between stator slots and rotor slots is that 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 Stator slots are not exact multiple of rotor slots Stator slots are exact multiple of rotor slots ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The number of slip rings on a squirrel cage induction motor is usually None Two Three One None Two Three One ANSWER DOWNLOAD EXAMIANS APP
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