Three Phase Induction Motors In a squirrel cage rotor, the bars are not placed parallel to the shaft but are skewed to have ______ Less rotor losses None of the listed here Greater mechanical strength Uniform torque Less rotor losses None of the listed here Greater mechanical strength Uniform torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 3-phase wound rotor morors are also called _____ motors. Slip ring Series Commutator Synchronous Slip ring Series Commutator Synchronous ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage induction motor, the number of rotor bars is generally ________ Prime number None of the listed here Even number Equal to stator poles Prime number None of the listed here Even number Equal to stator poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The magnetising current drawn by a 3 phase induction motor is about _______ of full load stator current. 15 to 20 % 30 to 50% 5% 10 to 15% 15 to 20 % 30 to 50% 5% 10 to 15% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be 1 As small as possible Very large Large 1 As small as possible Very large Large ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by 1/S S/1-S S 1-S 1/S S/1-S S 1-S ANSWER DOWNLOAD EXAMIANS APP