Three Phase Induction Motors The torque developed by a 3 phase induction motor least depends on Rotor current Rotor power factor Rotor emf Shaft diameter Rotor current Rotor power factor Rotor emf Shaft diameter ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is so called because its operation depends on Mutual induction Self induction Eddy currents Hysteresis Mutual induction Self induction Eddy currents Hysteresis ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Insertion of resistance in the rotor of an induction motor to develop a given torque Decreases the rotor current 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 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip rings are usually made of Copper Aluminium Phospor bronze Carbon Copper Aluminium Phospor bronze Carbon ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 600 rpm 1200 rpm 300 rpm 1000 rpm 600 rpm 1200 rpm 300 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors As load on an induction motor goes on increasing Its power factor goes on increasing up to full load and then it falls again Its power factor goes on increasing even after full load Its power factor goes on decreasing Its power factor remains constant Its power factor goes on increasing up to full load and then it falls again Its power factor goes on increasing even after full load Its power factor goes on decreasing Its power factor remains constant ANSWER DOWNLOAD EXAMIANS APP
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