Transformers In an auto transformer, the primary and secondary are _____ coupled. Only electrically None of the listed here Only magnetically Magnetically as well as electrically Only electrically None of the listed here Only magnetically Magnetically as well as electrically ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 400 W 200 W 50 W 100 W 400 W 200 W 50 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Iron losses Leakage reactance Copper losses Winding resistance Iron losses Leakage reactance Copper losses Winding resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Conservator Breather Buchholz relay Exciter Conservator Breather Buchholz relay Exciter ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because Iron core has high permeability Air is not a good magnetic insulator Transformer is not an efficient device Applied voltage is sinusoidal Iron core has high permeability Air is not a good magnetic insulator Transformer is not an efficient device Applied voltage is sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of colling a power transformer is Natural air cooling Oil cooling Air blast cooling Any of the listed here Natural air cooling Oil cooling Air blast cooling Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
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