Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. The same as Smaller than Greater than None of the listed here The same as Smaller than Greater than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The magnitude of emf generated by an alternators depends on ______ Flux per pole Rotor speed All of the listed here Number of poles Flux per pole Rotor speed All of the listed here Number of poles ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the armature reaction will be completely magnetizing in case the load power factor is Unity 0.866 Zero leading Zero lagging Unity 0.866 Zero leading Zero lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Unchanged One fourth Double Half Unchanged One fourth Double Half ANSWER DOWNLOAD EXAMIANS APP
Alternators If the number of poles of an alternator is increased, the generated emf Remains the same Decreases Increases None of the listed here Remains the same Decreases Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Steam turbine Gas turbine Steam engine Diesel engine Steam turbine Gas turbine Steam engine Diesel engine ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS