Alternators Three phase alternators are invariably star commected because Small conductors can be used Less turns of wire are required Higher terminal voltage is obtained Magnetic losses are the minimum Small conductors can be used Less turns of wire are required Higher terminal voltage is obtained Magnetic losses are the minimum ANSWER DOWNLOAD EXAMIANS APP
Alternators In huge alternators, the moving part is Brushes None of the listed here Poles Armature Brushes None of the listed here Poles Armature ANSWER DOWNLOAD EXAMIANS APP
Alternators In air-crafts, alternators have operating frequency of 60 Hz 400 Hz 50 Hz 500 Hz 60 Hz 400 Hz 50 Hz 500 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.5 lagging 0.866 lagging Unity 0.866 leading 0.5 lagging 0.866 lagging Unity 0.866 leading ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ 1500 rpm None of the listed here 1000 rpm 500 rpm 1500 rpm None of the listed here 1000 rpm 500 rpm 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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