Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Field excitation of alternators Driving torques of prime movers None of the listed here Phase sequence Field excitation of alternators Driving torques of prime movers None of the listed here Phase sequence ANSWER DOWNLOAD EXAMIANS APP
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 Voltage regulation of an alternator is larger than that of a dc generator because of _______ Large armature resistance Large leakage reactance Complex effects of armature reaction None of the listed here Large armature resistance Large leakage reactance Complex effects of armature reaction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ Waveform becomes non-sinusoidal None of the listed here Voltage round the coil is reduced Harmonics are introduced Waveform becomes non-sinusoidal None of the listed here Voltage round the coil is reduced Harmonics are introduced ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of a salient pole machine is nearly 1500 rpm 3000 rpm 1000 rpm 500 rpm 1500 rpm 3000 rpm 1000 rpm 500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Zero Unity Lagging Leading Zero Unity Lagging Leading ANSWER DOWNLOAD EXAMIANS APP
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