Three Phase Induction Motors The reactance of the rotor circuit of a 3-phase induction motor is maximum at Full load Starting No load Half full load Full load Starting No load Half full load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3 phase induction motor is running at a slip S, then approximate efficiency of the motor is ______ None of the listed here 1+S S-1 1-S None of the listed here 1+S S-1 1-S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors DOL starting of induction motors is usually restricted to Variable speed motors High horsepower motors High speed motors Low horsepower motors Variable speed motors High horsepower motors High speed motors Low horsepower motors ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The number of slip rings on a squirrel cage induction motor is usually One Three Two None One Three Two None ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In medium sized induction motor, the slip is generally around 14% 0.4 % 4 % 0.04 % 14% 0.4 % 4 % 0.04 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of an induction motor is maximum when rotor resistance per phase is _____ rotor reactance / phase. Four times Equal to None of the listed here Two times Four times Equal to None of the listed here Two times ANSWER DOWNLOAD EXAMIANS APP