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    In a coupled separating and throttling calorimeter, 0.9 is the dryness fraction of steam in the separating unit and 0.95 is the dryness fraction in the throttling unit. What is the approximate value of the dryness fraction of the steam sample?

    A) 0.855               

    B) 0.925

    C) 0.947               

    D) 0.950

    Correct Answer: A

    Solution :

    \[x={{x}_{1}},\] \[{{x}_{2}}=0.9\times 0.95=0.855\]


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