Which of the following statements associated with Buchholz relay is not TRUE?

Which of the following statements associated with Buchholz relay is not TRUE?

A. It is a voltage sensitive device.
B. It is used only on oil cooled transformers.
C. It is usually not provided on transformers of ratings below 500 kVA.
D. its operating time is of the order of 0.1 second.

Show Answer

Answer: C

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