Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Leading Zero Unity Lagging Leading Zero Unity Lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Strengthen the magnetic field Reduce eddy current losses Cool the machine Reduce distortion of waveform Strengthen the magnetic field Reduce eddy current losses Cool the machine Reduce distortion of waveform ANSWER DOWNLOAD EXAMIANS APP
Alternators The alternators driven by _______ do not have a tendency to hunt. None of the listed here Diesel engines Water turbines Steam turbines None of the listed here Diesel engines Water turbines Steam turbines ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of poles in turbo alternators is usually 12 50 2 4 12 50 2 4 ANSWER DOWNLOAD EXAMIANS APP
Alternators If the number of poles of an alternator is increased, the generated emf None of the listed here Decreases Remains the same Increases None of the listed here Decreases Remains the same Increases ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Pf becomes more leading Output kW will change Pf becomes more lagging None of the listed here Pf becomes more leading Output kW will change Pf becomes more lagging None of the listed here ANSWER DOWNLOAD EXAMIANS APP