Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ 1000 rpm None of the listed here 500 rpm 1500 rpm 1000 rpm None of the listed here 500 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators In a large generator, dampers Increase stability Reduce frequency fluctuations None of the listed here Reduce voltage fluctuations Increase stability Reduce frequency fluctuations None of the listed here Reduce voltage fluctuations ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is due to ______ None of the listed here Dc field excitation Armature reaction Leakage flux None of the listed here Dc field excitation Armature reaction Leakage flux ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same rating, the size of low speed alternator is ______that of high speed alternator. About the same as None of the listed here Less than More than About the same as None of the listed here Less than More than ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Low voltage Full armature voltage Extra high tension voltage Very low voltage Low voltage Full armature voltage Extra high tension voltage Very low voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternators have rotors of _______ Same diameter and axial length Small diameter and long axial length Large diameter and small axial length Large diameter and long axial length Same diameter and axial length Small diameter and long axial length Large diameter and small axial length Large diameter and long axial length ANSWER DOWNLOAD EXAMIANS APP
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