Three Phase Induction Motors The speed of a squirrel cage induction motor is changed by None of the listed here Cascade control Rheostatic control Pole changing None of the listed here Cascade control Rheostatic control Pole changing ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by S S/1-S 1-S 1/S S S/1-S 1-S 1/S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip of an induction motor is negative when None of these Magnetic field and rotor rotate in opposite direction Rotor speed is more than the synchronous speed of the field and are in the same direction Rotor speed is less than the synchronous speed of the field and are in the same direction None of these Magnetic field and rotor rotate in opposite direction Rotor speed is more than the synchronous speed of the field and are in the same direction Rotor speed is less than the synchronous speed of the field and are in the same direction 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 None of the listed here 25 Hz 50 Hz 60 Hz None of the listed here 25 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The full load slip of a 3-phase induction motor ranges from 10 to 20 % 2 to 5 % 20 to 30 % None of the listed here 10 to 20 % 2 to 5 % 20 to 30 % None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The advantage of wound rotor motor is that _______ It is inexpensive None of the listed here It requires less maintenance External resistance can be inserted in the rotor circuit It is inexpensive None of the listed here It requires less maintenance External resistance can be inserted in the rotor circuit ANSWER DOWNLOAD EXAMIANS APP
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