Transformers The turns ratio required to match an 80 source to a 320 load is 4 80 20 2 4 80 20 2 ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer could either be a low voltage or high voltage winding is always a low voltage winding None of these is always a high voltage winding could either be a low voltage or high voltage winding is always a low voltage winding None of these is always a high voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Sludge Odour Gases Moisture Sludge Odour Gases Moisture ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? None of the listed here Oil cooled Air cooled Water cooled None of the listed here Oil cooled Air cooled Water cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 0.18 5.5 0.018 18 0.18 5.5 0.018 18 ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Hysteresis losses are reduced Saving in winding material Copper losses are negligible Eddy losses are totally eliminated Hysteresis losses are reduced Saving in winding material Copper losses are negligible Eddy losses are totally eliminated ANSWER DOWNLOAD EXAMIANS APP
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