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 1/S S 1-S S/1-S 1/S S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In medium sized induction motor, the slip is generally around 0.04 % 0.4 % 4 % 14% 0.04 % 0.4 % 4 % 14% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed by a 3 phase induction motor least depends on Rotor emf Rotor current Shaft diameter Rotor power factor Rotor emf Rotor current Shaft diameter Rotor power factor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The approximate efficiency of a 3-phase , 50 Hz, 4 pole induction motor running at 1350 rpm is ______ 40% 65% None of the listed here 90% 40% 65% None of the listed here 90% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. Directly proportional to sqaure of Directly proportional to None of the listed here Independent of Directly proportional to sqaure of Directly proportional to None of the listed here Independent of 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 5 Hz 0.05 Hz 2.5 Hz 1.5 Hz 5 Hz 0.05 Hz 2.5 Hz 1.5 Hz ANSWER DOWNLOAD EXAMIANS APP
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