Transformers The primary and secondary of a transformer are ______ coupled. Magnetically Electrically and magnetically Electrically None of the listed here Magnetically Electrically and magnetically Electrically None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it 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 is safe to human beings avoids core saturation and high voltage induction ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of more than 15 A None of these less than 15 A 15 A more than 15 A None of these less than 15 A 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Breather Conservator Exciter Buchholz relay Breather Conservator Exciter Buchholz relay ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Gases Odour Sludge Moisture Gases Odour Sludge Moisture ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Hum Zoom Magnetostriction Boo Hum Zoom Magnetostriction Boo ANSWER DOWNLOAD EXAMIANS APP