Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of

Question: Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of
[A].

graphite powder

[B].

thoria

[C].

zircon powder

[D].

beryllium

Answer: Option C

Explanation:

No answer description available for this question.