Three Phase Induction Motors The low power factor of induction motor is due to All of these The reactive lagging magnetizing current necessary to generate the magnetic flux Stator reactance Rotor leakage reactance All of these The reactive lagging magnetizing current necessary to generate the magnetic flux Stator reactance Rotor leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 80 to 90% 95 to 98 % 60 to 90% 99% 80 to 90% 95 to 98 % 60 to 90% 99% 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 _______ Increased two times Decreased four times Decreased two times Increased four times Increased two times Decreased four times Decreased two times Increased four times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage induction motor, the number of rotor bars is generally ________ Even number None of the listed here Prime number Equal to stator poles Even number None of the listed here Prime number Equal to stator poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque in an induction motor depends on Square of supply voltage Frequency Rotor inductive reactance All of the listed here Square of supply voltage Frequency Rotor inductive reactance All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Size of a high speed motor as compared to low speed motor for the same HP will be Bigger Any of the listed here Smaller Same Bigger Any of the listed here Smaller Same ANSWER DOWNLOAD EXAMIANS APP