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    In a mass transfer process of diffusion of hot smoke in cold air in a power plant, the temperature profile and the concentration profile will become identical when:

    A) Prandtl No. = 1 

    B) Nusselt No. = 1

    C) Lewis No. = 1   

    D) Schemidt No. = 1

    Correct Answer: D

    Solution :

    The temperature profile and concentration profile will become identical when Schemidt number = 1


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