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

  • question_answer The expression, where \[\frac{0.622{{p}_{v}}}{{{p}_{b-}}{{p}_{v}}}\] where \[{{p}_{v}}\,=\] partial pressure of water vapour: \[{{p}_{b}}\,=\] atmospheric barometric pressure, is used for calculating:

    A) Relative humidity           

    B) degree of saturation

    C) Humidity ratio   

    D) pressure of air

    Correct Answer: C

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