Three Phase Induction Motors The power factor of an induction motor under no load conditions will be closer to Unity 0.2 leading 0.2 lagging 0.5 leading Unity 0.2 leading 0.2 lagging 0.5 leading 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 ______ Is decreased Is increased Remains unchanged None of the listed here Is decreased Is increased Remains unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip of an induction motor is negative when Magnetic field and rotor rotate in opposite direction Rotor speed is more than the synchronous speed of the field and are in the same direction None of these Rotor speed is less than the synchronous speed of the field and are in the same direction Magnetic field and rotor rotate in opposite direction Rotor speed is more than the synchronous speed of the field and are in the same direction None of these 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 If the supply voltage of a 3-phase induction motor is increased two times, then torque is _______ Increased two times Decreased two times Increased four times Decreased four times Increased two times Decreased two times Increased four times Decreased four times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip rings are usually made of Copper Phospor bronze Aluminium Carbon Copper Phospor bronze Aluminium Carbon ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At no load the rotor core loss of a 3 phase induction motor is None of the listed here Large Small Practically zero None of the listed here Large Small Practically zero ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS