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 remains same Decreases the rotor current Rotor current becomes zero Increases the rotor current Rotor current remains same Decreases the rotor current Rotor current becomes zero ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip of an induction motor is negative when None of these Rotor speed is less than the synchronous speed of the field and are in the same direction Rotor speed is more than the synchronous speed of the field and are in the same direction Magnetic field and rotor rotate in opposite direction None of these Rotor speed is less than the synchronous speed of the field and are in the same direction Rotor speed is more than the synchronous speed of the field and are in the same direction Magnetic field and rotor rotate in opposite direction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor on load resemble those of a transformer whose secondady is _______ Short circuited Supplying a variable resistive load None of the listed here Open circuited Short circuited Supplying a variable resistive load None of the listed here Open circuited ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at no load resemble those of a transformer whose secondady is _______ Short-circuited None of the listed here Open circuited Supplying a variable resistive load Short-circuited None of the listed here Open circuited Supplying a variable resistive load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of induction motor is made of Flexible Hollow Stiff Any of the listed here Flexible Hollow Stiff Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The good power factor of an induction motor can be achieved if the average flux density in the air gap is Infinity Absent Large Small Infinity Absent Large Small ANSWER DOWNLOAD EXAMIANS APP