Transformers A transformer operates poorly at very low frequencies because _____ Permeability of core is increased Primary reactance is too much increased Magnetising current is abnormally high None of the listed here Permeability of core is increased Primary reactance is too much increased Magnetising current is abnormally high None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure core loss copper loss total loss insulation resistance core loss copper loss total loss insulation resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of colling a power transformer is Air blast cooling Oil cooling Any of the listed here Natural air cooling Air blast cooling Oil cooling Any of the listed here Natural air cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 66 kV 400 kV 33 kV 132 kV 66 kV 400 kV 33 kV 132 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding in a transformer has more number of turns? Primary winding High voltage winding Secondary winding Low voltage winding Primary winding High voltage winding Secondary winding Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be poor insulation fluctuating load saturation of core mechanical vibrations poor insulation fluctuating load saturation of core mechanical vibrations ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS