Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by 1/S S 1-S S/1-S 1/S S 1-S S/1-S 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 Less than More than None of the listed here About the same Less than More than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip of an induction motor is negative when Rotor speed is more than the synchronous speed of the field and are in the same direction None of these Magnetic field and rotor rotate in opposite direction Rotor speed is less than the synchronous speed of the field and are in the same direction Rotor speed is more than the synchronous speed of the field and are in the same direction None of these Magnetic field and rotor rotate in opposite direction Rotor speed is less than the synchronous speed of the field and are in the same direction ANSWER DOWNLOAD EXAMIANS APP
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 Open circuited None of the listed here Short-circuited Supplying a variable resistive load Open circuited None of the listed here Short-circuited ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase induction motor is ________ Very costly A variable speed motor Not easily maintainable Essentially a constant speed motor Very costly A variable speed motor Not easily maintainable Essentially a constant speed motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ Decreasing rotor resistance Increasing rotor resistance None of the listed here Increasing rotor reactance Decreasing rotor resistance Increasing rotor resistance None of the listed here Increasing rotor reactance ANSWER DOWNLOAD EXAMIANS APP
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