2. Questions Bank
  3. Railways
  4. NTPC (Technical Ability)
  5. Refrigeration and Air-Conditioning

Railways NTPC (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

You need to login to perform this action.
You will be redirected in 3 sec spinner