Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is decreased Remains the same None of the listed here Is increased Is decreased Remains the same None of the listed here Is increased ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Reduce eddy current losses Strengthen the magnetic field Reduce distortion of waveform Cool the machine Reduce eddy current losses Strengthen the magnetic field Reduce distortion of waveform Cool the machine ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternator are generally used to run at 5000 rpm 1500 rpm 3000 rpm 15000 rpm 5000 rpm 1500 rpm 3000 rpm 15000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The losses in an alternator are the same as in A transformer None of the listed here A dc machine A rectifier A transformer None of the listed here A dc machine A rectifier ANSWER DOWNLOAD EXAMIANS APP
Alternators An under excited alternator supplies _______ No reactive power None of the listed here Leading VAR Lagging VAR No reactive power None of the listed here Leading VAR Lagging VAR ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Diesel engine Gas turbine Steam turbine Steam engine Diesel engine Gas turbine Steam turbine Steam engine ANSWER DOWNLOAD EXAMIANS APP
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