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Discussion :: Heat and Mass Transfer

  1. Which of the following is a case of steady state heat transfer?

    2. A.

     I.C. engine
    B.

     Air preheaters
    C.

     Heating of building in winter
    D.

     None of the above

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    Answer : Option D

    Explanation :

    IC Engine- Forced Convection
    Air Preheaters- Air preheaters use the hot exhaust gas from the furnace to heat the incoming combustion air
    Heating of building in winter-Conduction is heat traveling through a solid material. On hot days, heat is conducted into your home through the roof, walls, and windows.

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