Transformers Sumpner's test is conducted on transformers to determine None of these all-day efficiency temperature stray losses None of these all-day efficiency temperature stray losses ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ Has same number of primary and secondary turns None of the listed here Does not work Has no losses and leakage reactance Has same number of primary and secondary turns None of the listed here Does not work Has no losses and leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer provides _______ Shorter magnetic path None of the listed here Lesser average length per turn Much longer magnetic path Shorter magnetic path None of the listed here Lesser average length per turn Much longer magnetic path ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Iron losses Copper losses Total losses Friction losses Iron losses Copper losses Total losses Friction losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to load changes magnetostriction oil in the transformer mechanical vibrations load changes magnetostriction oil in the transformer mechanical vibrations ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 3000 kVA 500 kVA 250 kVA 1000 kVA 3000 kVA 500 kVA 250 kVA 1000 kVA ANSWER DOWNLOAD EXAMIANS APP
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