Three Phase Induction Motors As load on an induction motor goes on increasing Its power factor remains constant Its power factor goes on increasing even after full load Its power factor goes on increasing up to full load and then it falls again Its power factor goes on decreasing Its power factor remains constant Its power factor goes on increasing even after full load 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 a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ 60 Hz None of the listed here 25 Hz 50 Hz 60 Hz None of the listed here 25 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The air gap between stator and rotor of 3-phase induction motor ranges from ______ 4 cm to 6 cm 0.4 mm to 4 mm 1 cm to 2 cm 2 cm to 4 cm 4 cm to 6 cm 0.4 mm to 4 mm 1 cm to 2 cm 2 cm to 4 cm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at stand still resemble those of a transformer whose secondady is _______ Open circuited Supplying a variable resistive load None of the listed here Short circuited Open circuited Supplying a variable resistive load None of the listed here Short circuited ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At no load the rotor core loss of a 3 phase induction motor is Practically zero Large Small None of the listed here Practically zero Large Small None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ 1 0.2 0.5 Practically zero 1 0.2 0.5 Practically zero ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS