Three Phase Induction Motors Which of the following component is usually fabricated out of silicon steel? Shaft Stator core None of these Bearings Shaft Stator core None of these Bearings ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque of a 3-phase induction motor under running conditions is None of the listed here Directly proportional to rotor resistance Inveresly proportional to supply voltage inversely proportional to rotor reactance at standstill None of the listed here Directly proportional to rotor resistance Inveresly proportional to supply voltage inversely proportional to rotor reactance at standstill ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Very large 3-phase induction motors (greater than 25 HP) are started _____ None of the listed here Star-delta starting Direct on line By auto transformer starting None of the listed here Star-delta starting Direct on line By auto transformer starting ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ 60 Hz None of the listed here 50 Hz 25 Hz 60 Hz None of the listed here 50 Hz 25 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ 0.2 0.5 Practically zero 1 0.2 0.5 Practically zero 1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed by a 3 phase induction motor least depends on Shaft diameter Rotor power factor Rotor current Rotor emf Shaft diameter Rotor power factor Rotor current Rotor emf ANSWER DOWNLOAD EXAMIANS APP
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