Alternators A lower voltage alternator, for the same power rating, will be Larger in size More costly Operating at high rpm More efficient Larger in size More costly Operating at high rpm More efficient ANSWER DOWNLOAD EXAMIANS APP
Alternators Three phase alternators are invariably star commected because Higher terminal voltage is obtained Less turns of wire are required Magnetic losses are the minimum Small conductors can be used Higher terminal voltage is obtained Less turns of wire are required Magnetic losses are the minimum Small conductors can be used ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 50 Hz 60 Hz None of the listed here 120 Hz 50 Hz 60 Hz None of the listed here 120 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The power factor of an alternator is determined by its Excitation Load Primemover Speed Excitation Load Primemover Speed ANSWER DOWNLOAD EXAMIANS APP
Alternators In aircrafts, alternators have operating frequency of 400 Hz 50 Hz 800 Hz 60 Hz 400 Hz 50 Hz 800 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Output kW will change Pf becomes more leading None of the listed here Pf becomes more lagging Output kW will change Pf becomes more leading None of the listed here Pf becomes more lagging ANSWER DOWNLOAD EXAMIANS APP