Three Phase Induction Motors DOL starting of induction motors is usually restricted to High speed motors Variable speed motors High horsepower motors Low horsepower motors High speed motors Variable speed motors High horsepower motors Low horsepower motors ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, no load the slip is generally 4% Less than 1% 2% 1.5 % 4% Less than 1% 2% 1.5 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed by a 3 phase induction motor least depends on Shaft diameter Rotor emf Rotor power factor Rotor current Shaft diameter Rotor emf Rotor power factor Rotor current ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors One of the speeds of a 2 speed squirrel cage induction motor is 800 rpm. The other speed will be _____ 1200 rpm 1600 rpm 400 rpm 2400 rpm 1200 rpm 1600 rpm 400 rpm 2400 rpm 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 Very large 3-phase induction motors (greater than 25 HP) are started _____ None of the listed here Star-delta starting By auto transformer starting Direct on line None of the listed here Star-delta starting By auto transformer starting Direct on line ANSWER DOWNLOAD EXAMIANS APP