Three Phase Induction Motors If a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ 50 Hz 60 Hz None of the listed here 25 Hz 50 Hz 60 Hz None of the listed here 25 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a double squirrel cage induction motor, the outer cage winding has _______ None of the listed here High resistance High inductance Low resistance None of the listed here High resistance High inductance Low resistance 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 When a 3-phase induction motor is at no load, the slip is ______ 1 0.5 Practically zero 0.2 1 0.5 Practically zero 0.2 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, no load the slip is generally Less than 1% 4% 1.5 % 2% Less than 1% 4% 1.5 % 2% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ Less costly motor is not required High rotor resistance is required during running High starting torque is required Speed control is required Less costly motor is not required High rotor resistance is required during running High starting torque is required Speed control is required ANSWER DOWNLOAD EXAMIANS APP
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