Alternators The field winding of an alternator is _____ excited. AC DC None of the listed here Both DC and AC AC DC None of the listed here Both DC and AC ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 12 4 8 2 12 4 8 2 ANSWER DOWNLOAD EXAMIANS APP
Alternators In air-crafts, alternators have operating frequency of 500 Hz 50 Hz 400 Hz 60 Hz 500 Hz 50 Hz 400 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.5 lagging 0.866 leading 0.866 lagging Unity 0.5 lagging 0.866 leading 0.866 lagging Unity ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator supplying power to a load with a leading power factor always has ______ voltage regulation. Positive Unity Negative Zero Positive Unity Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Steam engine Francis turbine Reciprocating diesel engine Steam turbine Steam engine Francis turbine Reciprocating diesel engine Steam turbine ANSWER DOWNLOAD EXAMIANS APP