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 Decreases the rotor current Rotor current remains same Increases the rotor current Rotor current becomes zero Decreases the rotor current Rotor current remains same ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 3-phase wound rotor morors are also called _____ motors. Series Slip ring Commutator Synchronous Series Slip ring Commutator Synchronous ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of induction motor is made of Hollow Stiff Any of the listed here Flexible Hollow Stiff Any of the listed here Flexible ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For the same kVA rating, the leakage flux in induction motor is _______ that of transformer. None of the listed here About the same More than Less than None of the listed here About the same More than Less than 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 power factor of an induction motor under no load conditions will be closer to 0.5 leading 0.2 leading 0.2 lagging Unity 0.5 leading 0.2 leading 0.2 lagging Unity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS