Three Phase Induction Motors The frame of an induction motor is usually made of Bronze Aluminium Silicon steel Cast iron Bronze Aluminium Silicon steel Cast iron 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 2.5 Hz 0.05 Hz 1.5 Hz 5 Hz 2.5 Hz 0.05 Hz 1.5 Hz 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase induction motor is ________ A variable speed motor Not easily maintainable Essentially a constant speed motor Very costly A variable speed motor Not easily maintainable Essentially a constant speed motor Very costly ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ High rotor resistance is required during running Speed control is required High starting torque is required Less costly motor is not required High rotor resistance is required during running Speed control is required High starting torque is required Less costly motor is not required ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor if air gap increased Bearing friction will reduce Copper loss will reduce Windage losses will be more The power factor will be low Bearing friction will reduce Copper loss will reduce Windage losses will be more The power factor will be low ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The reactance of the rotor circuit of a 3-phase induction motor is maximum at Starting Half full load Full load No load Starting Half full load Full load No load ANSWER DOWNLOAD EXAMIANS APP
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