Alternators In an alternator, the stator frame serves To verticate the armature To protect the whole machine As a return path for the flux To hold the armature stampings To verticate the armature To protect the whole machine As a return path for the flux To hold the armature stampings ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Gas turbine Diesel engine Steam turbine Steam engine Gas turbine Diesel engine Steam turbine Steam engine ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 10 times smaller than 10 to 100 times greater than 5 times smaller than 5 times greater than 10 times smaller than 10 to 100 times greater than 5 times smaller than 5 times greater than ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 12 2 8 4 12 2 8 4 ANSWER DOWNLOAD EXAMIANS APP
Alternators In a large generator, dampers Reduce voltage fluctuations Increase stability Reduce frequency fluctuations None of the listed here Reduce voltage fluctuations Increase stability Reduce frequency fluctuations None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The magnitude of emf generated by an alternators depends on ______ Rotor speed All of the listed here Flux per pole Number of poles Rotor speed All of the listed here Flux per pole Number of poles ANSWER DOWNLOAD EXAMIANS APP
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