Transformers The dielectric strength of transformer oil is expected to be 100 kV 33 kV 330 kV lkV 100 kV 33 kV 330 kV lkV ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Copper losses Iron losses Total losses Friction losses Copper losses Iron losses Total losses Friction losses ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of Can be any ratio 1:2 1:1 2:1 Can be any ratio 1:2 1:1 2:1 ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Buchholz relay Breather Exciter Conservator Buchholz relay Breather Exciter Conservator 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 50 W 100 W 200 W 400 W 50 W 100 W 200 W 400 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Iron core is used Leakage flux is small Applied voltage and frequency are constant Losses are small Iron core is used Leakage flux is small Applied voltage and frequency are constant Losses are small ANSWER DOWNLOAD EXAMIANS APP
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