Alternators If the number of poles of an alternator is increased, the generated emf Decreases Increases Remains the same None of the listed here Decreases Increases Remains the same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ None of the listed here Phase sequence Driving torques of prime movers Field excitation of alternators None of the listed here Phase sequence Driving torques of prime movers Field excitation of alternators ANSWER DOWNLOAD EXAMIANS APP
Alternators Copper losses of an alternator can be measured by Transformer Rectifier Dc motor None of the listed here Transformer Rectifier Dc motor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become One fourth Double Unchanged Half One fourth Double Unchanged Half ANSWER DOWNLOAD EXAMIANS APP
Alternators Three phase alternators are invariably star commected because Less turns of wire are required Magnetic losses are the minimum Higher terminal voltage is obtained Small conductors can be used Less turns of wire are required Magnetic losses are the minimum Higher terminal voltage is obtained Small conductors can be used ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, for a coil having a span of 2/3 of pole pitch, the coil span factor will be 0.6 0.866 0.2 0.707 0.6 0.866 0.2 0.707 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS