Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Same as full load torque Low Negligible Slightly more than full load torque Same as full load torque Low Negligible Slightly more than full load torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors DOL starting of induction motors is usually restricted to High speed motors Low horsepower motors Variable speed motors High horsepower motors High speed motors Low horsepower motors Variable speed motors High horsepower motors ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Size of a high speed motor as compared to low speed motor for the same HP will be Bigger Same Any of the listed here Smaller Bigger Same Any of the listed here Smaller ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of induction motor None of the listed here Always revolves in the direction opposite to stator flux Always revolves in the direction of stator flux Insufficient data None of the listed here Always revolves in the direction opposite to stator flux Always revolves in the direction of stator flux Insufficient data ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor if air gap increased The power factor will be low Windage losses will be more Copper loss will reduce Bearing friction will reduce The power factor will be low Windage losses will be more Copper loss will reduce Bearing friction will reduce ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Having number of rotor slots more or less than the number of stator slots Proper ventilation Using DOL starter Auto transformer starter Having number of rotor slots more or less than the number of stator slots Proper ventilation Using DOL starter Auto transformer starter ANSWER DOWNLOAD EXAMIANS APP