Relevant Competitive Tests:
For large power transformers, self oil cooled type or air blast type which of the following values of current density may be used?
A. 1.0 to 1.2 A/mm2
B. 1.5 to 2.0 A/mm2
C. 2.2 to 3.2 A/mm2Correct Answer
D. 3.2 to 4.2 A/mm2
Correct Option: C. 2.2 to 3.2 A/mm2
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