Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Pf becomes more leading None of the listed here Output kW will change Pf becomes more lagging Pf becomes more leading None of the listed here Output kW will change Pf becomes more lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators Iron and friction losses of an alternator can be measured by a Transformer None of the listed here Dc motor Rectifier Transformer None of the listed here Dc motor Rectifier ANSWER DOWNLOAD EXAMIANS APP
Alternators When the speed of an alternator is reduced by half, the generated emf will become One-fourth Four times Half Twice One-fourth Four times Half Twice ANSWER DOWNLOAD EXAMIANS APP
Alternators A two pole alternator is running at 1500 rpm. Its angular velocity is ______ 192 rad/s 212 rad/s 118 rad/s 157 rad/s 192 rad/s 212 rad/s 118 rad/s 157 rad/s ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Large leakage reactance None of the listed here Large armature resistance Complex effects of armature reaction Large leakage reactance None of the listed here Large armature resistance Complex effects of armature reaction ANSWER DOWNLOAD EXAMIANS APP
Alternators The efficiency of the turbo-alternator _____ with increases in speed. None of the listed here Remians unchanged Increases Decreases None of the listed here Remians unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS