Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 1 0 0.5 0.1 1 0 0.5 0.1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 5 H.P., 50Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest? 1440 rpm 2880 rpm 730 rpm 1000 rpm 1440 rpm 2880 rpm 730 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor if air gap increased 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 Bearing friction will reduce Copper loss will reduce Windage losses will be more ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Insertion of resistance in the rotor of an induction motor to develop a given torque Rotor current becomes zero Rotor current remains same Increases the rotor current Decreases the rotor current Rotor current becomes zero Rotor current remains same Increases the rotor current Decreases the rotor current ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frame of an induction motor is usually made of Aluminium Bronze Cast iron Silicon steel Aluminium Bronze Cast iron Silicon steel ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase 440 v, 50 Hz induction motor has 4% slip. The frequency of rotor emf will be 2 Hz 20 Hz 200 Hz 50 Hz 2 Hz 20 Hz 200 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
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