Transformers The temperature rise of transformer is directly proportional to _______ None of the listed here Reactive power Leakage reactance Apparent power None of the listed here Reactive power Leakage reactance Apparent power ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Conservator Exciter Breather Buchholz relay Conservator Exciter Breather Buchholz relay ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? Low hysteresis loss High permeability High thermal conductivity Mechanical strength Low hysteresis loss High permeability High thermal conductivity Mechanical strength ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 500 kVA 250 kVA 3000 kVA 1000 kVA 500 kVA 250 kVA 3000 kVA 1000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to mechanical vibrations oil in the transformer load changes magnetostriction mechanical vibrations oil in the transformer load changes magnetostriction ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer provides _______ None of the listed here Much longer magnetic path Shorter magnetic path Lesser average length per turn None of the listed here Much longer magnetic path Shorter magnetic path Lesser average length per turn ANSWER DOWNLOAD EXAMIANS APP