Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0 0.1 0.5 1 0 0.1 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3-phase induction motor is running at slip S, then rotor copper loss is equal to (1-S) × rotor input (1+S) × rotor input S × rotor input None of the listed here (1-S) × rotor input (1+S) × rotor input S × rotor input None of the listed here 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 Decreases the rotor current Increases the rotor current Rotor current becomes zero Rotor current remains same Decreases the rotor current Increases the rotor current Rotor current becomes zero ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on Supply frequency None of these Copper losses in motor Supply voltage Supply frequency None of these Copper losses in motor Supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The power factor of an induction motor under no load conditions will be closer to 0.2 leading Unity 0.2 lagging 0.5 leading 0.2 leading Unity 0.2 lagging 0.5 leading ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed ______ None of the listed here Remains unchanged Is increased Is decreased None of the listed here Remains unchanged Is increased Is decreased ANSWER DOWNLOAD EXAMIANS APP
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