Alternators Turbo alternator are generally used to run at 1500 rpm 3000 rpm 5000 rpm 15000 rpm 1500 rpm 3000 rpm 5000 rpm 15000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The field winding of an alternator is _____ excited. AC None of the listed here DC Both DC and AC AC None of the listed here DC Both DC and AC ANSWER DOWNLOAD EXAMIANS APP
Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. 2-pole 4-pole None of the listed here 8-pole 2-pole 4-pole None of the listed here 8-pole ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Decreases Increases Remains unchanged None of the listed here Decreases Increases Remains unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Low voltage Extra high tension voltage Very low voltage Full armature voltage Low voltage Extra high tension voltage Very low voltage Full armature voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators Three phase alternators are invariably star commected because Small conductors can be used Magnetic losses are the minimum Higher terminal voltage is obtained Less turns of wire are required Small conductors can be used Magnetic losses are the minimum Higher terminal voltage is obtained Less turns of wire are required ANSWER DOWNLOAD EXAMIANS APP