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Discussion :: GATE Metallurgical

  1. The sulphide capacity (CS) of liquid slag of composition 55 wt.% CaO, 20 wt.% SiO2, 5 wt.% Al2O3, and 10 wt.% MgO is given by the following equation
    log CS = 3.44 (XCaO + 0.1 XMgO - 0.8 XAl2O3 - XSiO2) - (9894/T) + 2.05 
    where, X is mole fraction of the respective components. Atomic weights of Ca, Mg, Si, Al and O are 40, 24, 28, 27 and 16 respectively. 
    The value of CS at 1900 K is
    2. A.
    0.0009
    B.
    0.009
    C.
    0.09
    D.
    0.9

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    Answer : Option B

    Explanation :

    -NA-

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