Alternators When the speed of an alternator is reduced by half, the generated emf will become Half Twice Four times One-fourth Half Twice Four times One-fourth ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Pf becomes more lagging 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 ANSWER DOWNLOAD EXAMIANS APP
Alternators The losses in an alternator are the same as in A dc machine None of the listed here A transformer A rectifier A dc machine None of the listed here A transformer A rectifier ANSWER DOWNLOAD EXAMIANS APP
Alternators Majority of the alternators in the use have _____ Revolving ac armature winding Revolving field type construction None of the listed here Stationary field type construction Revolving ac armature winding Revolving field type construction None of the listed here Stationary field type construction ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ Voltage round the coil is reduced None of the listed here Harmonics are introduced Waveform becomes non-sinusoidal Voltage round the coil is reduced None of the listed here Harmonics are introduced Waveform becomes non-sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator supplying power to a load with a leading power factor always has ______ voltage regulation. Unity Zero Positive Negative Unity Zero Positive Negative ANSWER DOWNLOAD EXAMIANS APP