Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Conservator Thermal overload relays Breather Horn gaps Conservator Thermal overload relays Breather Horn gaps ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is Any of these oil cooling natural air cooling air blast cooling Any of these oil cooling natural air cooling air blast cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer is smallest? 2kVA, 500 Hz 2kVA, 400 Hz 2kVA, 200 Hz 2kVA, 50 Hz 2kVA, 500 Hz 2kVA, 400 Hz 2kVA, 200 Hz 2kVA, 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Impedance Current Voltage Power Impedance Current Voltage Power ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at 50% full load at 80% full load at full load at no load at 50% full load at 80% full load at full load at no load ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer is always made on ______ High voltage winding Low voltage winding Either low or high voltage winding None of the listed here High voltage winding Low voltage winding Either low or high voltage winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP