Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Half One fourth Unchanged Double Half One fourth Unchanged Double ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is due to ______ Armature reaction None of the listed here Leakage flux Dc field excitation Armature reaction None of the listed here Leakage flux Dc field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator the armature reaction is mainly influenced by Short circuit ratio Speed of the alternator Total current drawn The power factor of the load Short circuit ratio Speed of the alternator Total current drawn The power factor of the load ANSWER DOWNLOAD EXAMIANS APP
Alternators The field winding of an alternator is _____ excited. Both DC and AC DC AC None of the listed here Both DC and AC DC AC None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Majority of the alternators are Single phase Three phase None of the listed here Two phase Single phase Three phase None of the listed here Two phase ANSWER DOWNLOAD EXAMIANS APP
Alternators The efficiency of the turbo-alternator _____ with increases in speed. Remians unchanged Decreases Increases None of the listed here Remians unchanged Decreases Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS