Transformers The secondary of a current transformer is always short-circuited under operating conditions because it is safe to human beings avoids core saturation and high voltage induction protects the primary circuit None of these is safe to human beings avoids core saturation and high voltage induction protects the primary circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Asbestos Mica Glass fibre Cellulose Asbestos Mica Glass fibre Cellulose ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Bushings Core Secondary winding Primary winding Bushings Core Secondary winding Primary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Friction losses Iron losses Copper losses Total losses Friction losses Iron losses Copper losses Total losses ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same polarity same efficiency same number of turns on the secondary side. same kVA rating same polarity same efficiency same number of turns on the secondary side. same kVA rating ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure total loss copper loss core loss insulation resistance total loss copper loss core loss insulation resistance ANSWER DOWNLOAD EXAMIANS APP
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