Transformers Natural oil cooling is used for transformers up to a rating of 3000 kVA 1000 kVA 500 kVA 250 kVA 3000 kVA 1000 kVA 500 kVA 250 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. Magnetically as well as electrically Only electrically Only magnetically None of the listed here Magnetically as well as electrically Only electrically Only magnetically None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The winding of the transformer with greater number of turns will be _____ Either high or low voltage winding None of the listed here Low voltage winding High voltage winding Either high or low voltage winding None of the listed here Low voltage winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ Resistance and leakage reactances Currents and induced voltages Ampere turns and voltage per turns None of the listed here Resistance and leakage reactances Currents and induced voltages Ampere turns and voltage per turns None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be poor insulation fluctuating load mechanical vibrations saturation of core poor insulation fluctuating load mechanical vibrations saturation of core ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has a turns ratio of 1 and a 0.85 coefficient of coupling. When 2 V ac is applied to the primary, the secondary voltage is 0.85 V 1 V 0 V 1.7 V 0.85 V 1 V 0 V 1.7 V ANSWER DOWNLOAD EXAMIANS APP
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