Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Steam turbine Steam engine Francis turbine Reciprocating diesel engine Steam turbine Steam engine Francis turbine Reciprocating diesel engine ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Remains the same Is decreased Is increased None of the listed here Remains the same Is decreased Is increased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The ac armature winding of an alternator is _______ Star-delta connected None of the listed here Always star connected Generally delta connected Star-delta connected None of the listed here Always star connected Generally delta connected ANSWER DOWNLOAD EXAMIANS APP
Alternators In aircrafts, alternators have operating frequency of 800 Hz 400 Hz 60 Hz 50 Hz 800 Hz 400 Hz 60 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The losses in an alternator are the same as in A dc machine A rectifier A transformer None of the listed here A dc machine A rectifier A transformer None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Cool the machine 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 ANSWER DOWNLOAD EXAMIANS APP