Transformers Sumpner's test is conducted on transformers to determine all-day efficiency stray losses temperature None of these all-day efficiency stray losses temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be fused switched open shorted fused switched open shorted ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of Can be any ratio 1:1 2:1 1:2 Can be any ratio 1:1 2:1 1:2 ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ None of the listed here Increase copper losses Decreases copper losses Cause voltage drop in the windings None of the listed here Increase copper losses Decreases copper losses Cause voltage drop in the windings ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. Only magnetically Magnetically as well as electrically None of the listed here Only electrically Only magnetically Magnetically as well as electrically None of the listed here Only electrically ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will have zero efficiency at Half full load No load None of the listed here Full load Half full load No load None of the listed here Full load ANSWER DOWNLOAD EXAMIANS APP
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