Three Phase Induction Motors The crawling in an induction motor is caused by Improper design of machine Harmonics developed in the rotor High loads Low voltage supply Improper design of machine Harmonics developed in the rotor High loads Low voltage supply ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque of a 3-phase induction motor under running conditions is Directly proportional to rotor resistance inversely proportional to rotor reactance at standstill None of the listed here Inveresly proportional to supply voltage Directly proportional to rotor resistance inversely proportional to rotor reactance at standstill None of the listed here Inveresly proportional to supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 3-phase wound rotor morors are also called _____ motors. Series Commutator Slip ring Synchronous Series Commutator Slip ring Synchronous ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Very large 3-phase induction motors (greater than 25 HP) are started _____ Direct on line Star-delta starting None of the listed here By auto transformer starting Direct on line Star-delta starting None of the listed here By auto transformer starting ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Insertion of resistance in the rotor of an induction motor to develop a given torque Rotor current remains same Increases the rotor current Decreases the rotor current Rotor current becomes zero Rotor current remains same Increases the rotor current Decreases the rotor current Rotor current becomes zero 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 Large Absent Small Infinity Large Absent Small ANSWER DOWNLOAD EXAMIANS APP
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