In a muffle furnace, the muffle

Question: In a muffle furnace, the muffle
[A].

retards the heat transfer.

[B].

assists in temperature equalisation in the charge.

[C].

permits the use of controlled atmosphere for the protection of stock.

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.