Transformers Natural air cooling is generally restricted for transformers up to 50 MVA 5 MVA 15 MVA 1.5 MVA 50 MVA 5 MVA 15 MVA 1.5 MVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. The same as Less than More than None of the listed here The same as Less than More than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Turn ratio Total equivalent resistance Copper losses Total equivalent leakage reactance Turn ratio Total equivalent resistance Copper losses Total equivalent leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 20 A 15 A 10 A 5 A 20 A 15 A 10 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. About the same as None of the listed here Smaller than Greater than About the same as None of the listed here Smaller than Greater than ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. Magnetically as well as electrically None of the listed here Only magnetically Only electrically Magnetically as well as electrically None of the listed here Only magnetically Only electrically ANSWER DOWNLOAD EXAMIANS APP
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