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Discussion :: Heat and Mass Transfer

  1. The unit of overall coefficient of heat transfer is

    2. A.

     kcal/m²
    B.

     kcal/hr °C
    C.

     kcal/m² hr °C
    D.

     kcal/m hr °C

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    Answer : Option C

    Explanation :

    kilocalorie per hour per square meter per degree Celsius (kcal/h·m²·°С) is a metric unit of the heat transfer coefficient. The heat transfer coefficient has SI units in watts per squared meter kelvin: W/(m2K). Heat transfer coefficient is the inverse of thermal insulance.

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