Alternators In a cylindrical rotor how much portion of the rotor is wound? Two third Half One third Full Two third Half One third Full ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Francis turbine Steam engine Steam turbine Reciprocating diesel engine Francis turbine Steam engine Steam turbine Reciprocating diesel engine ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Low voltage Very low voltage Extra high tension voltage Full armature voltage Low voltage Very low voltage Extra high tension voltage Full armature voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same power rating, an alternator is ______that of a dc generator. Smaller in size than None of the listed here Of the same size as Larger in size than Smaller in size than None of the listed here Of the same size as Larger in size than ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Reduce distortion of waveform Reduce eddy current losses Strengthen the magnetic field Cool the machine Reduce distortion of waveform Reduce eddy current losses Strengthen the magnetic field Cool the machine ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Steam turbine Steam engine Diesel engine Gas turbine Steam turbine Steam engine Diesel engine Gas turbine ANSWER DOWNLOAD EXAMIANS APP
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