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Answer :

Power transformers are generally designed to have maximum efficiency around near full-load.

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Description : 74)Power transformers are generally designed to have maximum efficiency around A. No load B. Half load C. Near full load D. 10% overload

Answer : C. Near full load

Answer : Distribution transformers are generally designed for maximum efficiency around 50% load.

Description : The efficiency of two identical transformers under load conditions can be determined by?

Answer : The efficiency of two identical transformers under load conditions can be determined by back-to-back test.

Answer : Natural air cooling is generally restricted for transformers up to 1.5 MVA .

Description : The efficiencies of transformers compared with that of electric motors of the same power are?

Answer : Transformers have high efficiency than the same ratted motors