A refractory wall separating the stock and the source of heat is provided in a (A) Updraft kiln (B) Muffle furnace (C) Continuous furnace (D) None of these

A refractory wall separating the stock and the source of heat is
provided in a
(A) Updraft kiln
(B) Muffle furnace
(C) Continuous furnace
(D) None of these
by

1 Answer

Answer :

(B) Muffle furnace
by

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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)

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