Hvac Air Condition Esco 2022 Exam Questions (100 Terms) With Verified Definitions Updated 2024

When using an electric leak detector, the sensing probe {Ans: Should be moved approximately 1 inch every second}The state of refrigerant entering the condenser is {Ans: High pressure/ highly superheated vapor}Zero psig is {Ans: The same as atmospheric pressure}The R410A compound gauge reads 124 psig and the suction line temperature at the condensing unit is 54°f. What is the operating superheat? {Ans: 11°F}The automatic expansion valve is designed to maintain {Ans: Constant evaporator pressure}Which of the following can NOT be used as a low ambient temperature control? {Ans: Crankcase regulating valves}