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Discussion :: Refractory Technology

  1. Presence of MgO in alumino-silicate refractories __________ its refractoriness.

    2. A.
    increases
    B.
    lowers
    C.
    does not affect
    D.
    either (a) or (b); depends on its quantity

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    Answer : Option B

    Explanation :

    No answer description available for this question.

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