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Mechanical Engineering :: Heat Transfer,Refrigeration and Air Conditioning

Heat Transfer,Refrigeration and Air Conditioning - Section 1
Heat Transfer,Refrigeration and Air Conditioning - Section 2
Heat Transfer,Refrigeration and Air Conditioning - Section 3
Heat Transfer,Refrigeration and Air Conditioning - Section 4
Heat Transfer,Refrigeration and Air Conditioning - Section 5
Heat Transfer,Refrigeration and Air Conditioning - Section 6
Heat Transfer,Refrigeration and Air Conditioning - Section 7
Heat Transfer,Refrigeration and Air Conditioning - Section 8

  1. During sensible heating of air __________ decreases.

    2. A.
    wet bulb temperature
    B.
    relative humidity
    C.
    dry bulb temperature
    D.
    specific humidity

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  2. The overall coefficient of heat transfer is used in problems of

    3. A.
    conduction
    B.
    convection
    C.
    radiation
    D.
    conduction and convection

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  3. The boiling point of R-12 is about - 30°C.

    4. A.
    True
    B.
    False

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