Three Phase Induction Motors The advantage of wound rotor motor is that _______ It is inexpensive External resistance can be inserted in the rotor circuit It requires less maintenance None of the listed here It is inexpensive External resistance can be inserted in the rotor circuit It requires less maintenance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In the circle diagram for induction motor, the diameter of the circle represents Slip Line voltage Rotor current Running torque Slip Line voltage Rotor current Running torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Very large 3-phase induction motors (greater than 25 HP) are started _____ Direct on line By auto transformer starting None of the listed here Star-delta starting Direct on line By auto transformer starting None of the listed here Star-delta starting ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The reactance of the rotor circuit of a 3-phase induction motor is maximum at Full load No load Starting Half full load Full load No load Starting Half full load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. Directly proportional to None of the listed here Directly proportional to sqaure of Independent of Directly proportional to None of the listed here Directly proportional to sqaure of Independent of ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase 440 v, 50 Hz induction motor has 4% slip. The frequency of rotor emf will be 20 Hz 200 Hz 50 Hz 2 Hz 20 Hz 200 Hz 50 Hz 2 Hz ANSWER DOWNLOAD EXAMIANS APP