Three Phase Induction Motors The condition of induction motor at stand still resemble those of a transformer whose secondady is _______ None of the listed here Supplying a variable resistive load Open circuited Short circuited None of the listed here Supplying a variable resistive load Open circuited Short circuited ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The injected e.m.f. in the rotor of induction motor must have The same frequency as the slip frequency The same phase as the rotor e.m.f. Zero frequency High value for the satisfactory speed control The same frequency as the slip frequency The same phase as the rotor e.m.f. Zero frequency High value for the satisfactory speed control ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A four speed squirrel cage induction motor uses______ stator windings. Four Two One Three Four Two One Three 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 Smaller Bigger Same Any of the listed here Smaller Bigger Same Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frame of an induction motor is usually made of Silicon steel Bronze Cast iron Aluminium Silicon steel Bronze Cast iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the air gap between the rotor and stator of a 3-phase induction motor is increased, then_______ Leakage reactances are increased Leakage reactances are decreased None of the listed here No load current is decreased Leakage reactances are increased Leakage reactances are decreased None of the listed here No load current is decreased ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS