Three Phase Induction Motors In a 3 phase induction motor, the rotor speed is _____ the synchronous speed. Greater than None of the listed here Equal to Smaller than Greater than None of the listed here Equal to Smaller than ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Proper ventilation Using DOL starter Having number of rotor slots more or less than the number of stator slots Auto transformer starter Proper ventilation Using DOL starter Having number of rotor slots more or less than the number of stator slots Auto transformer starter ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In medium sized induction motor, the slip is generally around 14% 4 % 0.4 % 0.04 % 14% 4 % 0.4 % 0.04 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The 3- phase induction motor is so designed that the rotor should have ______ under running conditions. Large slip high resistance Low resistance High reactance Large slip high resistance Low resistance High reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip of an induction motor is negative when Magnetic field and rotor rotate in opposite direction None of these 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 Magnetic field and rotor rotate in opposite direction None of these 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 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 Remains unchanged None of the listed here Is increased Is decreased Remains unchanged None of the listed here Is increased ANSWER DOWNLOAD EXAMIANS APP