The three-phase transformers each rated at ___

The three-phase transformers each rated at 75 MVA, 132 kV/11 kV, have the following different methods of cooling:

  1. Self cooled.
  2. Forced oil cooled.
  3. Forced air cooled.

The correct sequence in ascending order in terms of the weights of these transformers is

A. 1, 2, 3
B. 2, 3, 1
C. 3, 1, 2
D. 3. 2, 1

Show Answer

Answer: D

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