Alternators In an alternator, the stator frame serves To verticate the armature To hold the armature stampings As a return path for the flux To protect the whole machine To verticate the armature To hold the armature stampings As a return path for the flux To protect the whole machine ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Steam engine Gas turbine Diesel engine Steam turbine Steam engine Gas turbine Diesel engine Steam turbine ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ Unity 0.866 lagging 0.5 lagging 0.866 leading Unity 0.866 lagging 0.5 lagging 0.866 leading ANSWER DOWNLOAD EXAMIANS APP
Alternators The non salient field construction is used for _______ alternator. Low speed High speed None of the listed here Medium speed Low speed High speed None of the listed here Medium speed ANSWER DOWNLOAD EXAMIANS APP
Alternators Three phase alternators are invariably star commected because Higher terminal voltage is obtained Less turns of wire are required Magnetic losses are the minimum Small conductors can be used Higher terminal voltage is obtained Less turns of wire are required Magnetic losses are the minimum Small conductors can be used ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Driving torques of prime movers Field excitation of alternators Phase sequence None of the listed here Driving torques of prime movers Field excitation of alternators Phase sequence None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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