Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 12 8 4 2 12 8 4 2 ANSWER DOWNLOAD EXAMIANS APP
Alternators The alternators driven by _______ do not have a tendency to hunt. Diesel engines Water turbines None of the listed here Steam turbines Diesel engines Water turbines None of the listed here Steam turbines ANSWER DOWNLOAD EXAMIANS APP
Alternators Damper windings are used in alternators to None of the listed here Prevenent hunting Reduce windage loss Achieve synchronism None of the listed here Prevenent hunting Reduce windage loss Achieve synchronism ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ Voltage round the coil is reduced None of the listed here Waveform becomes non-sinusoidal Harmonics are introduced Voltage round the coil is reduced None of the listed here Waveform becomes non-sinusoidal Harmonics are introduced ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator is somtimes called _______ generator. Synchronous Asynchronous Rosenberg None of the listed here Synchronous Asynchronous Rosenberg None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Double One fourth Unchanged Half Double One fourth Unchanged Half ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS