Transformers Which of the following is not a part of transformer installation? Breather Buchholz relay Exciter Conservator Breather Buchholz relay Exciter Conservator ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. Provide tight magnetic coupling Increase the wight None of the listed here Reduce core loss Provide tight magnetic coupling Increase the wight None of the listed here Reduce core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 250 kVA 500 kVA 1000 kVA 3000 kVA 250 kVA 500 kVA 1000 kVA 3000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer core has air gaps, then, _________ Magnetising current is greatly increased Reluctance of magnetic path is decreased Eddy current is increased Hysteresis loss is decreased Magnetising current is greatly increased Reluctance of magnetic path is decreased Eddy current is increased Hysteresis loss is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its None of the listed here Power efficiency Energy efficiency Current efficiency None of the listed here Power efficiency Energy efficiency Current efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers If a power transformer is operated at very high frequencies, then ______ Core losses will be excessive Primary will draw large power None of the listed here Primary reactance is too much increased Core losses will be excessive Primary will draw large power None of the listed here Primary reactance is too much increased ANSWER DOWNLOAD EXAMIANS APP
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