Three Phase Induction Motors The advantage of wound rotor motor is that _______ External resistance can be inserted in the rotor circuit None of the listed here It requires less maintenance It is inexpensive External resistance can be inserted in the rotor circuit None of the listed here It requires less maintenance It is inexpensive ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A four speed squirrel cage induction motor uses______ stator windings. Four Three Two One Four Three Two One 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 Any of the listed here Same Bigger Smaller Any of the listed here Same Bigger ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The direction of rotation of field in a 3 phase induction motor depends upon _____ Number of poles Magnitude of supply voltage Supply frequency Phase sequence of supply voltage Number of poles Magnitude of supply voltage Supply frequency Phase sequence of supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, no load the slip is generally 2% 4% Less than 1% 1.5 % 2% 4% Less than 1% 1.5 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ 60 Hz 50 Hz None of the listed here 25 Hz 60 Hz 50 Hz None of the listed here 25 Hz ANSWER DOWNLOAD EXAMIANS APP