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 Small Large Absent Infinity Small Large Absent ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In the circle diagram for induction motor, the diameter of the circle represents Slip Rotor current Running torque Line voltage Slip Rotor current Running torque Line voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors DOL starting of induction motors is usually restricted to High speed motors High horsepower motors Low horsepower motors Variable speed motors High speed motors High horsepower motors Low horsepower motors Variable speed motors 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 600 rpm 300 rpm 1200 rpm 1000 rpm 600 rpm 300 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3 phase induction motor is running at a slip S, then approximate efficiency of the motor is ______ 1-S S-1 None of the listed here 1+S 1-S S-1 None of the listed here 1+S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the supply voltage of a 3-phase induction motor is increased two times, then torque is _______ Decreased two times Decreased four times Increased four times Increased two times Decreased two times Decreased four times Increased four times Increased two times ANSWER DOWNLOAD EXAMIANS APP
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