Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Delta/Delta Star/Star Delta/Star Star/Delta Delta/Delta Star/Star Delta/Star Star/Delta ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure core loss copper loss total loss insulation resistance core loss copper loss total loss insulation resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be open fused switched shorted open fused switched shorted ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Is increased Remians unchanged None of the listed here Is decreased Is increased Remians unchanged None of the listed here Is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers upto a rating of 250 kVA 500 kVA 3000 kVA 1000 kVA 250 kVA 500 kVA 3000 kVA 1000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Electrically and magnetically Magnetically Electrically None of the listed here Electrically and magnetically Magnetically Electrically None of the listed here ANSWER DOWNLOAD EXAMIANS APP