Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Unchanged Half Double One fourth Unchanged Half Double One fourth ANSWER DOWNLOAD EXAMIANS APP
Alternators The power factor of an alternator is determined by its Load Speed Primemover Excitation Load Speed Primemover Excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators are usually design to generate Definite frequencies Variable frequncies Definite currents Definite power factor Definite frequencies Variable frequncies Definite currents Definite power factor ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same rating, the size of low speed alternator is ______that of high speed alternator. More than About the same as Less than None of the listed here More than About the same as Less than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Leading Lagging Unity Zero Leading Lagging Unity Zero ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Complex effects of armature reaction None of the listed here Large leakage reactance Large armature resistance Complex effects of armature reaction None of the listed here Large leakage reactance Large armature resistance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS