At abnormal conditions, what should the air leaving temperature be in relation to pressure?

The correct choice indicates that at a pressure of 30 PSIG, the air leaving temperature should be 30°F. In industrial refrigeration, it is critical to understand the relationship between pressure and temperature, particularly in application settings that involve gas compression and heat exchange processes.

In this scenario, the temperature must stay within a specific range to ensure adequate performance and efficiency of the refrigeration system. A corresponding temperature of 30°F at 30 PSIG reflects a balance in the thermodynamic properties of the refrigerant and the requirements of the system to maintain operational effectiveness.

This alignment demonstrates that at a higher pressure, the refrigerant can absorb and transport more heat, which is essential in applications where efficient cooling is necessary. Therefore, the selection propounds a practical application of the ideal gas law and the principles of thermodynamics, ensuring that the air leaving the system remains effective in maintaining the desired cooling effect.

Adjustments to either the pressure or temperature can lead to system inefficiencies or failure to achieve optimal performance, reinforcing the importance of the identified relationship in the refrigeration process.