Transformers An isolation transformer has primary to secondady turns ratio of 1:1 Can be any ratio 2:1 1:2 1:1 Can be any ratio 2:1 1:2 ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 250 kVA 1000 kVA 500 kVA 3000 kVA 250 kVA 1000 kVA 500 kVA 3000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 5.5 18 0.18 0.018 5.5 18 0.18 0.018 ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine copper losses core losses hysteresis losses eddy current losses copper losses core losses hysteresis losses eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Mica Cellulose Asbestos Glass fibre Mica Cellulose Asbestos Glass fibre ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be fused shorted switched open fused shorted switched open ANSWER DOWNLOAD EXAMIANS APP
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