Alternators Three phase alternators are invariably star commected because 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 Less turns of wire are required ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Large leakage reactance Large armature resistance None of the listed here Complex effects of armature reaction Large leakage reactance Large armature resistance None of the listed here Complex effects of armature reaction ANSWER DOWNLOAD EXAMIANS APP
Alternators The efficiency of the turbo-alternator _____ with increases in speed. Increases None of the listed here Remians unchanged Decreases Increases None of the listed here Remians unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. None of the listed here Decreases Increases Remains unchanged None of the listed here Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators are usually design to generate Variable frequncies Definite power factor Definite frequencies Definite currents Variable frequncies Definite power factor Definite frequencies Definite currents 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 Unchanged Double Half One fourth Unchanged Double Half ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS