Three Phase Induction Motors The induction motor has lagging power factor during Both starting and operation Operation only None of the listed here Starting only Both starting and operation Operation only None of the listed here Starting only ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ Increased at starting Decreased at starting None of the listed here Increased under running conditions Increased at starting Decreased at starting None of the listed here Increased under running conditions ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The crawling in an induction motor is caused by Improper design of machine High loads Low voltage supply Harmonics developed in the rotor Improper design of machine High loads Low voltage supply Harmonics developed in the rotor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the air gap between the rotor and stator of a 3-phase induction motor is increased, then_______ None of the listed here Leakage reactances are decreased No load current is decreased Leakage reactances are increased None of the listed here Leakage reactances are decreased No load current is decreased Leakage reactances are increased ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The full load slip of a 3-phase induction motor ranges from None of the listed here 10 to 20 % 20 to 30 % 2 to 5 % None of the listed here 10 to 20 % 20 to 30 % 2 to 5 % 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 1 Practically zero 0.2 0.5 1 Practically zero ANSWER DOWNLOAD EXAMIANS APP