Alternators The synchronous reactance of an alternator is due to ______ Dc field excitation Leakage flux None of the listed here Armature reaction Dc field excitation Leakage flux None of the listed here Armature reaction ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of poles in turbo alternators is usually 4 12 2 50 4 12 2 50 ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the frequency of voltage generated depend on None of the listed here Rotative speed only Number of poles only Both rotative speed and number of poles None of the listed here Rotative speed only Number of poles only Both rotative speed and number of poles ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Half Unchanged One fourth Double Half Unchanged One fourth Double ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is usually None of the listed here Much higher than that of a power transformer Much lower than that of power transformer Equal to that of power transformer None of the listed here Much higher than that of a power transformer Much lower than that of power transformer Equal to that of power transformer ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Very low voltage Extra high tension voltage Low voltage Full armature voltage Very low voltage Extra high tension voltage Low voltage Full armature voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS