Hot face insulating linings of high purity alumina fused mullite are used, where Options: A . &nbspvery high temperatures are involved. B . &nbsphighly reducing conditions are involved. C . &nbsppresence of iron or silica is harmful. D . &nbspall (a), (b) and (c).

Hot face insulating linings of high purity alumina fused mullite are used, where

Question

Hot face insulating linings of high purity alumina fused mullite are used, where

Options:

A . very high temperatures are involved.

B . highly reducing conditions are involved.

C . presence of iron or silica is harmful.

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

Answer: Option D
Answer: (d).all (a), (b) and (c).

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