Carbon refractories Options: A . &nbspDo not burn/oxidise, when exposed to air on heating B . &nbspAre not attacked by slags, as they are not wetted by melts C . &nbspDo not resist temperature fluctuations D . &nbspHave extremely low thermal & electrical conductivities

Carbon refractories

Question

Carbon refractories

Options:

A . Do not burn/oxidise, when exposed to air on heating

B . Are not attacked by slags, as they are not wetted by melts

C . Do not resist temperature fluctuations

D . Have extremely low thermal & electrical conductivities

Answer: Option B

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