Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Very low voltage Full armature voltage Extra high tension voltage Low voltage Very low voltage Full armature voltage Extra high tension voltage Low voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Output kW will change None of the listed here Pf becomes more lagging Pf becomes more leading Output kW will change None of the listed here Pf becomes more lagging Pf becomes more leading 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
Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Reciprocating diesel engine Steam engine Francis turbine Steam turbine Reciprocating diesel engine Steam engine Francis turbine Steam turbine ANSWER DOWNLOAD EXAMIANS APP
Alternators The magnitude of emf generated by an alternators depends on ______ Rotor speed Number of poles Flux per pole All of the listed here Rotor speed Number of poles Flux per pole All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Copper losses of an alternator can be measured by Rectifier Transformer Dc motor None of the listed here Rectifier Transformer Dc motor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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