Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ 500 rpm None of the listed here 1000 rpm 1500 rpm 500 rpm None of the listed here 1000 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Low voltage Full armature voltage Very low voltage Extra high tension voltage Low voltage Full armature voltage Very low voltage Extra high tension voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators The alternators driven by _______ do not have a tendency to hunt. Steam turbines Water turbines Diesel engines None of the listed here Steam turbines Water turbines Diesel engines None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of a uniformly distributed winding, the value of distribution factor is 0.995 0.76 0.65 0.85 0.995 0.76 0.65 0.85 ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ Harmonics are introduced Voltage round the coil is reduced None of the listed here Waveform becomes non-sinusoidal Harmonics are introduced Voltage round the coil is reduced None of the listed here Waveform becomes non-sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is increased None of the listed here Remains the same Is decreased Is increased None of the listed here Remains the same Is decreased ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS