Gas is usually not liberated due to dissociation of transformer oil unless the oil temperature exceeds

A. 50°C

B. 80°C

C. 100°C

D. 150°C

Answer: Option D

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Related Questions on Transformers

The function of conservator in a transformer is

A. to project against internal fault

B. to reduce copper as well as core losses

C. to cool the transformer oil

D. to take care of the expansion and contraction of transformer oil due to variation of temper-ature of sur-roundings