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  1. Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the

  2. A.
    washing action of metal.
    B.
    corrosion by layer of slag.
    C.
    both (a) & (b).
    D.
    neither (a) nor (b).

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    Workspace

    Answer : Option A

    Explanation :

    No answer description available for this question.


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