Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ None of the listed here Output kW will change Pf becomes more leading Pf becomes more lagging None of the listed here Output kW will change Pf becomes more leading Pf becomes more lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 10 times smaller than 5 times greater than 5 times smaller than 10 to 100 times greater than 10 times smaller than 5 times greater than 5 times smaller than 10 to 100 times greater than ANSWER DOWNLOAD EXAMIANS APP
Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. 4-pole None of the listed here 2-pole 8-pole 4-pole None of the listed here 2-pole 8-pole ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. Greater than Smaller than None of the listed here The same as Greater than Smaller than None of the listed here The same as ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator one of the advantages of distribution the winding is to None of the listed here Improve voltage wavefrom Reduce noise Save on copper None of the listed here Improve voltage wavefrom Reduce noise Save on copper ANSWER DOWNLOAD EXAMIANS APP
Alternators Low speed alternators are driven by ______ None of the listed here Steam engine Steam turbines Hydraulic turbines None of the listed here Steam engine Steam turbines Hydraulic turbines ANSWER DOWNLOAD EXAMIANS APP