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

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

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