Transformers Sumpner's test is conducted on transformers to determine all-day efficiency temperature stray losses None of these all-day efficiency temperature stray losses None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Potential transformer Auto transformer Current transformer Step-up transformer Potential transformer Auto transformer Current transformer Step-up transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its dielectric strength of oil voltage ratio copper loss temperature rise dielectric strength of oil voltage ratio copper loss temperature rise ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ Has same number of primary and secondary turns Has no losses and leakage reactance Does not work None of the listed here Has same number of primary and secondary turns Has no losses and leakage reactance Does not work None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers upto a rating of 250 kVA 1000 kVA 3000 kVA 500 kVA 250 kVA 1000 kVA 3000 kVA 500 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ Apparent power Reactive power Leakage reactance None of the listed here Apparent power Reactive power Leakage reactance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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