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On a psychometric chart, what does a vertical downward line represent?

On a psychometric chart, what does a vertical downward line represent? Correct Answer Dehumidification

Concept:

  • The process in which the moisture or water vapor or the humidity is removed from the air keeping its dry bulb (DB) temperature constant is called the dehumidification process. 
  • This process is represented by a straight vertical line on the psychrometric chart starting from the initial value of relative humidity, extending downwards and ending at the final value of the relative humidity.
  • The process in which the moisture or water vapor or humidity is added to the air without changing its dry bulb (DB) temperature is called a humidification process.

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