Alternators The efficiency of the turbo-alternator _____ with increases in speed. Remians unchanged None of the listed here Decreases Increases Remians unchanged None of the listed here Decreases Increases 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 Phase sequence None of the listed here Field excitation of alternators Driving torques of prime movers Phase sequence None of the listed here Field excitation of alternators ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ 1000 rpm 500 rpm None of the listed here 1500 rpm 1000 rpm 500 rpm None of the listed here 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The rotor of a turbo alternator is made cylindrical in order to reduce_______ Eddy current loss None of the listed here Windage loss Hysteresis loss Eddy current loss None of the listed here Windage loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Alternators The field winding of an alternator is _____ excited. DC Both DC and AC AC None of the listed here DC Both DC and AC AC None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Steam engine Steam turbine Reciprocating diesel engine Francis turbine Steam engine Steam turbine Reciprocating diesel engine Francis turbine ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS