Three Phase Induction Motors An induction motor is so called because its operation depends on Hysteresis Self induction Eddy currents Mutual induction Hysteresis Self induction Eddy currents Mutual induction 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 decreased Is increased None of the listed here Remains unchanged Is decreased Is increased None of the listed here Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The full load slip of a 3-phase induction motor ranges from 10 to 20 % None of the listed here 20 to 30 % 2 to 5 % 10 to 20 % None of the listed here 20 to 30 % 2 to 5 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In medium sized induction motor, the slip is generally around 4 % 14% 0.4 % 0.04 % 4 % 14% 0.4 % 0.04 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Having number of rotor slots more or less than the number of stator slots Proper ventilation Using DOL starter Auto transformer starter Having number of rotor slots more or less than the number of stator slots Proper ventilation Using DOL starter Auto transformer starter ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Size of a high speed motor as compared to low speed motor for the same HP will be Bigger Smaller Same Any of the listed here Bigger Smaller Same Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
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