Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by S/1-S 1-S S 1/S S/1-S 1-S S 1/S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 3-phase wound rotor morors are also called _____ motors. Series Synchronous Slip ring Commutator Series Synchronous Slip ring Commutator 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. 10 to 15% 15 to 20 % 30 to 50% 5% 10 to 15% 15 to 20 % 30 to 50% 5% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0.1 0 0.5 1 0.1 0 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage induction motor, the number of stator slots is _______ rotor slots. Always eqaul to the number of Always less than the number of Always greater than the number of Either more or less than the number of Always eqaul to the number of Always less than the number of Always greater than the number of Either more or less than the number of ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Auto transformer starter Using DOL starter Proper ventilation Having number of rotor slots more or less than the number of stator slots Auto transformer starter Using DOL starter Proper ventilation Having number of rotor slots more or less than the number of stator slots ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS