Which statement is true about the normal operating pressures of refrigerants?

To determine the true statement regarding the normal operating pressures of refrigerants, it is essential to understand the fundamental properties of refrigerants and how their behavior varies under different temperature and pressure conditions.

Normal operating pressures of refrigerants can vary significantly based on the specific type of refrigerant and the application in which it is used. Typically, each refrigerant has a defined range of pressures that correspond to its saturation temperature. These pressures reflect how much heat the refrigerant can absorb or reject and are critical for the efficient operation of HVAC systems.

In this context, if both statements A and B were found to be misleading or inaccurate regarding these operating pressures, it aligns with the correct choice of stating that neither A nor B is true. This suggests that the information presented in both statements A and B does not accurately reflect the established principles regarding refrigerant pressures in normal operating conditions, leading to the conclusion that the correct assessment of the situation is that neither statement holds validity.

Understanding the behavior of refrigerants under pressure is crucial for HVAC technicians, as it influences system performance, efficiency, and safety in operational contexts.