Three Phase Induction Motors The frequency of rotor current in a 6-pole , 50 Hz, 3-phase induction motor running at 950 rpm is 0.05 Hz 5 Hz 1.5 Hz 2.5 Hz 0.05 Hz 5 Hz 1.5 Hz 2.5 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of induction motor Always revolves in the direction of stator flux None of the listed here Insufficient data Always revolves in the direction opposite to stator flux Always revolves in the direction of stator flux None of the listed here Insufficient data Always revolves in the direction opposite to stator flux ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on Supply voltage None of these Supply frequency Copper losses in motor Supply voltage None of these Supply frequency Copper losses in motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. Directly proportional to sqaure of None of the listed here Independent of Directly proportional to Directly proportional to sqaure of None of the listed here Independent of Directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 3-phase wound rotor morors are also called _____ motors. Commutator Synchronous Series Slip ring Commutator Synchronous Series Slip ring 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 None of the listed here Is decreased Is increased Remains unchanged None of the listed here Is decreased Is increased ANSWER DOWNLOAD EXAMIANS APP