Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Star/Delta Delta/Delta Delta/Star Star/Star Star/Delta Delta/Delta Delta/Star Star/Star ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of 1:2 1:1 2:1 Can be any ratio 1:2 1:1 2:1 Can be any ratio ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Eddy current Hysteresis Copper Friction Eddy current Hysteresis Copper Friction ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure copper loss total loss insulation resistance core loss copper loss total loss insulation resistance core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Leakage reactance Copper loss Eddy current loss Iron losses Leakage reactance Copper loss Eddy current loss Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine All day efficiency Stray losses Temperature None of the listed here All day efficiency Stray losses Temperature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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