Alternators Voltage drop in an alternator when under load is due to ______ All of the listed here Armatute reaction Armature reactance Armature resistance All of the listed here Armatute reaction Armature reactance Armature resistance ANSWER DOWNLOAD EXAMIANS APP
Alternators The efficiency of the turbo-alternator _____ with increases in speed. Decreases Remians unchanged None of the listed here Increases Decreases Remians unchanged None of the listed here Increases ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Double One fourth Half Unchanged Double One fourth Half Unchanged ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Field excitation of alternators Driving torques of prime movers Phase sequence None of the listed here Field excitation of alternators Driving torques of prime movers Phase sequence None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators, now a days, are designed to have poor regulation because We employ automatic voltage regulators It reduces the construction cost None of the listed here It limits the value of short circuit current We employ automatic voltage regulators It reduces the construction cost None of the listed here It limits the value of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Alternators A 3 phase alternator has 3-slot per pole. The distribution factor of the winding is _______ 0.5 1 0.866 None of the listed here 0.5 1 0.866 None of the listed here ANSWER DOWNLOAD EXAMIANS APP