Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ 500 rpm 1000 rpm None of the listed here 1500 rpm 500 rpm 1000 rpm None of the listed here 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators Which harmonic will be totally eliminate in an alternator by using a fractional pitch of 4/5 ? Seventh Fifth Ninth Third Seventh Fifth Ninth Third ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. None of the listed here Remains unchanged Decreases Increases None of the listed here Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Steam turbine Gas turbine Diesel engine Steam engine Steam turbine Gas turbine Diesel engine Steam engine ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 60 Hz None of the listed here 50 Hz 120 Hz 60 Hz None of the listed here 50 Hz 120 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 8 12 2 4 8 12 2 4 ANSWER DOWNLOAD EXAMIANS APP
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