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Discussion :: Furnace Technology

  1. Protective gas used in the annealing furnace for steel coil comprises of

    2. A.
    95% N2 + 5% H2
    B.
    5% H2 + 9% N2
    C.
    100% CO
    D.
    100 %H2

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    Answer : Option A

    Explanation :

    No answer description available for this question.

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