Transformers Short circuit test on transformers is conducted to determine core losses eddy current losses hysteresis losses copper losses core losses eddy current losses hysteresis losses copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer is always made on ______ None of the listed here High voltage winding Either low or high voltage winding Low voltage winding None of the listed here High voltage winding Either low or high voltage winding Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is Any of these air blast cooling oil cooling natural air cooling Any of these air blast cooling oil cooling natural air cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its temperature rise copper loss dielectric strength of oil voltage ratio temperature rise copper loss dielectric strength of oil voltage ratio ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in increased I2R losses magnetic interference with communication circuits increased core losses All of the listed here increased I2R losses magnetic interference with communication circuits increased core losses All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer is smallest? 2kVA, 500 Hz 2kVA, 200 Hz 2kVA, 400 Hz 2kVA, 50 Hz 2kVA, 500 Hz 2kVA, 200 Hz 2kVA, 400 Hz 2kVA, 50 Hz ANSWER DOWNLOAD EXAMIANS APP
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