Three Phase Induction Motors If a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ 25 Hz 60 Hz None of the listed here 50 Hz 25 Hz 60 Hz None of the listed here 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of induction motor is made of Any of the listed here Flexible Stiff Hollow Any of the listed here Flexible Stiff Hollow ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For the same kVA rating, the leakage flux in induction motor is _______ that of transformer. About the same More than None of the listed here Less than About the same More than None of the listed here Less than ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed ______ Remains unchanged Is increased Is decreased None of the listed here Remains unchanged Is increased Is decreased None of the listed here 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. Two times None of the listed here Four times Equal to Two times None of the listed here Four times Equal to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be Very large Large As small as possible 1 Very large Large As small as possible 1 ANSWER DOWNLOAD EXAMIANS APP
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