Transformers The all day efficiency of a transformer is also called its Power efficiency Current efficiency Energy efficiency None of the listed here Power efficiency Current efficiency Energy efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is air blast cooling Any of these oil cooling natural air cooling air blast cooling Any of these oil cooling natural air cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine Stray losses None of the listed here Temperature All day efficiency Stray losses None of the listed here Temperature All day efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Copper losses are negligible Eddy losses are totally eliminated Hysteresis losses are reduced Saving in winding material Copper losses are negligible Eddy losses are totally eliminated Hysteresis losses are reduced Saving in winding material ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine copper losses core losses hysteresis losses eddy current losses copper losses core losses hysteresis losses eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 88 V 880 V 7.3 V 73 V 88 V 880 V 7.3 V 73 V ANSWER DOWNLOAD EXAMIANS APP
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