Three Phase Induction Motors The condition of induction motor at no load resemble those of a transformer whose secondady is _______ Supplying a variable resistive load Short-circuited None of the listed here Open circuited Supplying a variable resistive load Short-circuited None of the listed here Open circuited ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The term cogging is associated with Compound generators Induction motors Three phase transformer Dc series motors Compound generators Induction motors Three phase transformer Dc series motors ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The low power factor of induction motor is due to The reactive lagging magnetizing current necessary to generate the magnetic flux All of these Stator reactance Rotor leakage reactance The reactive lagging magnetizing current necessary to generate the magnetic flux All of these Stator reactance Rotor leakage reactance 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 Two times Four times Equal to None of the listed here Two times Four times Equal to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The magnetising current drawn by a 3 phase induction motor is about _______ of full load stator current. 15 to 20 % 30 to 50% 5% 10 to 15% 15 to 20 % 30 to 50% 5% 10 to 15% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In medium sized induction motor, the slip is generally around 4 % 0.04 % 0.4 % 14% 4 % 0.04 % 0.4 % 14% ANSWER DOWNLOAD EXAMIANS APP