Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Full armature voltage Low voltage Extra high tension voltage Very low voltage Full armature voltage Low voltage Extra high tension voltage Very low voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ None of the listed here 60 Hz 50 Hz 120 Hz None of the listed here 60 Hz 50 Hz 120 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 10 to 100 times greater than 5 times smaller than 10 times smaller than 5 times greater than 10 to 100 times greater than 5 times smaller than 10 times smaller than 5 times greater than ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the armature reaction will be completely magnetizing in case the load power factor is Zero lagging 0.866 Zero leading Unity Zero lagging 0.866 Zero leading Unity ANSWER DOWNLOAD EXAMIANS APP
Alternators Zero power factor method for alternator is generally used to determine Voltage regulation of the alternator None of the listed here Efficiency of alternator Synchronous impedance of alternator Voltage regulation of the alternator None of the listed here Efficiency of alternator Synchronous impedance of alternator ANSWER DOWNLOAD EXAMIANS APP
Alternators The field winding of an alternator is _____ excited. None of the listed here DC Both DC and AC AC None of the listed here DC Both DC and AC AC ANSWER DOWNLOAD EXAMIANS APP
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