Alternators Hydrogen is used in large alternators mainly to Reduce eddy current losses Reduce distortion of waveform Cool the machine Strengthen the magnetic field Reduce eddy current losses Reduce distortion of waveform Cool the machine Strengthen the magnetic field ANSWER DOWNLOAD EXAMIANS APP
Alternators A turbo alternator uses ________ Rotating ac machine winding Salient pole field structure Nonsalient pole field structure None of the listed here Rotating ac machine winding Salient pole field structure Nonsalient pole field structure None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternator are generally used to run at 15000 rpm 1500 rpm 3000 rpm 5000 rpm 15000 rpm 1500 rpm 3000 rpm 5000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Extra high tension voltage Very low voltage Full armature voltage Low voltage Extra high tension voltage Very low voltage Full armature voltage Low voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Reciprocating diesel engine Steam engine Francis turbine Steam turbine Reciprocating diesel engine Steam engine Francis turbine Steam turbine ANSWER DOWNLOAD EXAMIANS APP
Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Zero Leading Lagging Unity Zero Leading Lagging Unity ANSWER DOWNLOAD EXAMIANS APP
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