Transformers In the short circuit test on a transformer, we generally short circuit ______ Either low or high voltage winding High voltage winding Low voltage winding None of the listed here Either low or high voltage winding High voltage winding Low voltage winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be fluctuating load saturation of core mechanical vibrations poor insulation fluctuating load saturation of core mechanical vibrations poor insulation ANSWER DOWNLOAD EXAMIANS APP
Transformers The dielectric strength of transformer oil is expected to be 33 kV lkV 330 kV 100 kV 33 kV lkV 330 kV 100 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure core loss total loss insulation resistance copper loss core loss total loss insulation resistance copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 20 A 10 A 15 A 5 A 20 A 10 A 15 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Uses inductive coupling Uses capacitive coupling Is a static device Uses electric coupling Uses inductive coupling Uses capacitive coupling Is a static device Uses electric coupling ANSWER DOWNLOAD EXAMIANS APP