Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Complex effects of armature reaction Large leakage reactance Large armature resistance None of the listed here Complex effects of armature reaction Large leakage reactance Large armature resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Francis turbine Steam turbine Reciprocating diesel engine Steam engine Francis turbine Steam turbine Reciprocating diesel engine Steam engine ANSWER DOWNLOAD EXAMIANS APP
Alternators A lower voltage alternator, for the same power rating, will be Larger in size Operating at high rpm More efficient More costly Larger in size Operating at high rpm More efficient More costly 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 Half One fourth Double Unchanged Half One fourth Double ANSWER DOWNLOAD EXAMIANS APP
Alternators The airgap in an alternator is ________ in an induction motor. Much shorter than None of the listed here Much longer than About same as Much shorter than None of the listed here Much longer than About same as ANSWER DOWNLOAD EXAMIANS APP
Alternators When the speed of an alternator is reduced by half, the generated emf will become Twice Four times Half One-fourth Twice Four times Half One-fourth ANSWER DOWNLOAD EXAMIANS APP