Alternators Alternators are usually design to generate Definite frequencies Variable frequncies Definite power factor Definite currents Definite frequencies Variable frequncies Definite power factor Definite currents ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ None of the listed here Pf becomes more leading Pf becomes more lagging Output kW will change None of the listed here Pf becomes more leading Pf becomes more lagging Output kW will change ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. Smaller than Greater than The same as None of the listed here Smaller than Greater than The same as None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators An under excited alternator supplies _______ None of the listed here Lagging VAR Leading VAR No reactive power None of the listed here Lagging VAR Leading VAR No reactive power ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ 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 Driving torques of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators In a cylindrical rotor how much portion of the rotor is wound? One third Full Two third Half One third Full Two third Half ANSWER DOWNLOAD EXAMIANS APP