What will be the state of the refrigerant at the outlet of an evaporator with a saturation temperature of -10 deg F?

In a refrigeration cycle, the evaporator is responsible for absorbing heat from the environment, which causes the refrigerant within it to change state. When the saturation temperature of the evaporator is -10 degrees Fahrenheit, this indicates the temperature at which the refrigerant will evaporate and turn into vapor at a specific pressure.

As the refrigerant enters the evaporator as a low-pressure liquid, it absorbs heat from the surroundings at -10 degrees F. This process will convert it from a liquid to a vapor. By the time the refrigerant exits the evaporator, it is primarily in the vapor state, as the heat absorption leads to this phase change.

Since lower temperatures typically correlate with lower pressures in refrigerant systems, and the vapor exiting the evaporator is at a lower pressure, the refrigerant at the outlet is indeed classified as a low-pressure vapor.

This understanding of the refrigeration cycle and the properties of refrigerants under varying pressure and temperature conditions aligns with the behavior of refrigerants as they undergo phase changes, making the identification of the outlet state accurate.