In reference to air conditioning, when air attains the maximum amount of moisture it can hold at a specific temperature, what term best describes the air?
• Relative humidity and how it relates to how much water vapor air can hold • The meaning of dew point and what happens when air cools to this temperature • The definition of saturation in basic thermodynamics/psychrometrics
• Ask yourself: when we say the air "cannot hold" any more moisture at that temperature, what do we call that condition in weather reports or HVAC (heating, ventilation, and air conditioning)? • Think about which term is commonly used on a psychrometric chart to describe air at 100% relative humidity. • Eliminate choices: which of these words describes a state or condition of the air, rather than a heating process or a separate phase (like liquid water)?
• Which option is associated with 100% relative humidity? • Which term describes air that is holding the maximum possible water vapor at that temperature, not being heated above its boiling point or turned into liquid? • Be sure the word you choose is commonly used in HVAC and meteorology to describe this moisture condition.
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