Three Phase Induction Motors The no load speed of an induction motor depends on Both supply frequency and number of poles The number of its poles The supply frequency The maximum flux/poles Both supply frequency and number of poles The number of its poles The supply frequency The maximum flux/poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The number of slip rings on a squirrel cage induction motor is usually Three One None Two Three One None Two ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The full load slip of a 3-phase induction motor ranges from 10 to 20 % 20 to 30 % 2 to 5 % None of the listed here 10 to 20 % 20 to 30 % 2 to 5 % None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed ______ Is increased Is decreased None of the listed here Remains unchanged Is increased Is decreased None of the listed here Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ Practically zero 1 0.5 0.2 Practically zero 1 0.5 0.2 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In medium sized induction motor, the slip is generally around 0.4 % 4 % 0.04 % 14% 0.4 % 4 % 0.04 % 14% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS