Alternators Regulation of alternator supplying reaistive or inductive load is None of the listed here Either positive or negative Always positive Always negative None of the listed here Either positive or negative Always positive Always negative ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is due to ______ Armature reaction None of the listed here Dc field excitation Leakage flux Armature reaction None of the listed here Dc field excitation Leakage flux ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ 1500 rpm None of the listed here 1000 rpm 500 rpm 1500 rpm None of the listed here 1000 rpm 500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Full armature voltage Low voltage Very low voltage Extra high tension voltage Full armature voltage Low voltage Very low voltage Extra high tension voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ Voltage round the coil is reduced Waveform becomes non-sinusoidal Harmonics are introduced None of the listed here Voltage round the coil is reduced Waveform becomes non-sinusoidal Harmonics are introduced None of the listed here 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
EXAMIANS