Railways Technical Ability Refrigeration and Air-Conditioning Question Bank Refrigeration and Air-Conditioning

  • question_answer Consider the following statements:
    1. If air heated in a closed chamber, its dew point will increase
    2. As relative humidity decreases the difference between the wet-bulb temperature and dew point will increase
    3. In spray humidification process, the enthalpy of air will decrease
    4. The dew-point temperature is always an indication of moisture content of the air

    A) 1 and 2            

    B) 2 and 4

    C) 1 and 3            

    D) 3 and 4

    Correct Answer: D


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