Three Phase Induction Motors Insertion of resistance in the rotor of an induction motor to develop a given torque Increases the rotor current Rotor current becomes zero Rotor current remains same Decreases the rotor current Increases the rotor current Rotor current becomes zero Rotor current remains same Decreases the rotor current ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at no load resemble those of a transformer whose secondady is _______ Open circuited Short-circuited None of the listed here Supplying a variable resistive load Open circuited Short-circuited None of the listed here Supplying a variable resistive load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of induction motor Insufficient data None of the listed here Always revolves in the direction of stator flux Always revolves in the direction opposite to stator flux Insufficient data None of the listed here Always revolves in the direction of stator flux Always revolves in the direction opposite to stator flux ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a 3 phase induction motor, the rotor speed is _____ the synchronous speed. Greater than Smaller than Equal to None of the listed here Greater than Smaller than Equal to None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 1200 rpm 1000 rpm 300 rpm 600 rpm 1200 rpm 1000 rpm 300 rpm 600 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The no load speed of an induction motor depends on The supply frequency The number of its poles The maximum flux/poles Both supply frequency and number of poles The supply frequency The number of its poles The maximum flux/poles Both supply frequency and number of poles ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS