Transformers The open circuit test on a transformer is always made on ______ High voltage winding None of the listed here Low voltage winding Either low or high voltage winding High voltage winding None of the listed here Low voltage winding Either low or high voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Electrically Electrically and magnetically None of the listed here Magnetically Electrically Electrically and magnetically None of the listed here Magnetically ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage? 20 V 2 V 18 V 180 V 20 V 2 V 18 V 180 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. Thickness of core lamination Square of thickness of core lamination The supply frequency The flux density in the core Thickness of core lamination Square of thickness of core lamination The supply frequency The flux density in the core ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a fitting on a transformer? Buchholz's relay Commutator Conservator Breather Buchholz's relay Commutator Conservator Breather ANSWER DOWNLOAD EXAMIANS APP
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
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