Upper portion of hot metal mixer are lined with mullite bricks, which – McqOptions

MCQOPTIONS

1.	Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the
A.	washing action of metal.
B.	corrosion by layer of slag.
C.	both (a) & (b).
D.	neither (a) nor (b).
Answer» B. corrosion by layer of slag.

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