Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Full armature voltage Extra high tension voltage Very low voltage Low voltage Full armature voltage Extra high tension voltage Very low voltage Low voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators are usually design to generate Variable frequncies Definite currents Definite frequencies Definite power factor Variable frequncies Definite currents Definite frequencies Definite power factor ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.866 leading 0.5 lagging 0.866 lagging Unity 0.866 leading 0.5 lagging 0.866 lagging Unity ANSWER DOWNLOAD EXAMIANS APP
Alternators The rating of an alternator is expressed in______ kVA kW HP kVAR kVA kW HP kVAR ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators, now a days, are designed to have poor regulation because None of the listed here It limits the value of short circuit current We employ automatic voltage regulators It reduces the construction cost None of the listed here It limits the value of short circuit current We employ automatic voltage regulators It reduces the construction cost ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ None of the listed here 500 rpm 1500 rpm 1000 rpm None of the listed here 500 rpm 1500 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
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