Alternators In an alternator, for a coil having a span of 2/3 of pole pitch, the coil span factor will be 0.866 0.6 0.707 0.2 0.866 0.6 0.707 0.2 ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator depends on None of the listed here Power factor only Both load current and pf Load current only None of the listed here Power factor only Both load current and pf Load current only 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
Alternators In case of a uniformly distributed winding, the value of distribution factor is 0.995 0.76 0.85 0.65 0.995 0.76 0.85 0.65 ANSWER DOWNLOAD EXAMIANS APP
Alternators If the number of poles of an alternator is increased, the generated emf Remains the same None of the listed here Decreases Increases Remains the same None of the listed here Decreases 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 Half Unchanged One fourth Double Half Unchanged One fourth Double ANSWER DOWNLOAD EXAMIANS APP
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