Three Phase Induction Motors Which of the following component is usually fabricated out of silicon steel? Bearings Stator core None of these Shaft Bearings Stator core None of these Shaft 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. None of the listed here Equal to Four times Two times None of the listed here Equal to Four times Two times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque of a 3-phase induction motor under running conditions is inversely proportional to rotor reactance at standstill Directly proportional to rotor resistance Inveresly proportional to supply voltage None of the listed here inversely proportional to rotor reactance at standstill Directly proportional to rotor resistance Inveresly proportional to supply voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The crawling in an induction motor is caused by Harmonics developed in the rotor Low voltage supply High loads Improper design of machine Harmonics developed in the rotor Low voltage supply High loads Improper design of machine 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 0.05 Hz 1.5 Hz 5 Hz 2.5 Hz 0.05 Hz 1.5 Hz 5 Hz 2.5 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed by a 3 phase induction motor least depends on Rotor emf Rotor power factor Rotor current Shaft diameter Rotor emf Rotor power factor Rotor current Shaft diameter ANSWER DOWNLOAD EXAMIANS APP
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