Question

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

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).

Posted under Basic Chemical Engineering

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

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