Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ Decreasing rotor resistance Increasing rotor resistance Increasing rotor reactance None of the listed here Decreasing rotor resistance Increasing rotor resistance Increasing rotor reactance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The air gap between stator and rotor of 3-phase induction motor ranges from ______ 2 cm to 4 cm 0.4 mm to 4 mm 1 cm to 2 cm 4 cm to 6 cm 2 cm to 4 cm 0.4 mm to 4 mm 1 cm to 2 cm 4 cm to 6 cm 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 200 Hz 20 Hz 50 Hz 2 Hz 200 Hz 20 Hz 50 Hz 2 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed by a 3 phase induction motor least depends on Rotor current Rotor power factor Shaft diameter Rotor emf Rotor current Rotor power factor Shaft diameter Rotor emf ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors As load on an induction motor goes on increasing Its power factor goes on increasing even after full load 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 decreasing Its power factor goes on increasing even after full load 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 decreasing ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If any two phases for an induction motor are interchanged The motor will not run The motor will burn The motor will run in reverse direction The motor will run at reduced speed The motor will not run The motor will burn The motor will run in reverse direction The motor will run at reduced speed ANSWER DOWNLOAD EXAMIANS APP
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