Transformers Which of the following is not a part of transformer installation? Breather Conservator Buchholz relay Exciter Breather Conservator Buchholz relay Exciter 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 15 A 20 A 10 A 5 A 15 A 20 A 10 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Hysteresis Eddy current Copper Friction Hysteresis Eddy current Copper Friction ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Turn ratio Total equivalent leakage reactance Total equivalent resistance Copper losses Turn ratio Total equivalent leakage reactance Total equivalent resistance Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. The flux density in the core Thickness of core lamination Square of thickness of core lamination The supply frequency The flux density in the core Thickness of core lamination Square of thickness of core lamination The supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of colling a power transformer is Air blast cooling Natural air cooling Any of the listed here Oil cooling Air blast cooling Natural air cooling Any of the listed here Oil cooling ANSWER DOWNLOAD EXAMIANS APP
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