Alternators Voltage drop in an alternator when under load is due to ______ All of the listed here Armature resistance Armatute reaction Armature reactance All of the listed here Armature resistance Armatute reaction Armature reactance ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Cool the machine Reduce distortion of waveform Strengthen the magnetic field Reduce eddy current losses Cool the machine Reduce distortion of waveform Strengthen the magnetic field Reduce eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Phase sequence None of the listed here Driving torques of prime movers Field excitation of alternators Phase sequence None of the listed here Driving torques of prime movers Field excitation of alternators ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Output kW will change None of the listed here Pf becomes more lagging Pf becomes more leading Output kW will change None of the listed here Pf becomes more lagging Pf becomes more leading ANSWER DOWNLOAD EXAMIANS APP
Alternators The magnitude of emf generated by an alternators depends on ______ All of the listed here Rotor speed Number of poles Flux per pole All of the listed here Rotor speed Number of poles Flux per pole ANSWER DOWNLOAD EXAMIANS APP
Alternators Copper losses of an alternator can be measured by Dc motor Rectifier Transformer None of the listed here Dc motor Rectifier Transformer None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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