Epa 608 Certification, Epa 608 Study Guide Questions And Correct Answers

EPA requires a service aperature (process stub). {Ans: What does the EPA require on all Type I equipment that uses Class I or Class II refrigerants.}An affinity for water, so hygroscopic oils are oils that readily absorb moisture. {Ans: Hygroscopic}cause air and moisture to enter the system. {Ans: Because a low-pressure system operates below atmospheric pressure (vacuum), leaks in the gasket or fittings will _______}Self-Contained and System-Dependent. {Ans: What are the two basic types of recovery devices?}The difference between the Dew Point and the Bubble Point. {Ans: Temperature Glide}Low loss fittings that can be manually closed or close automatically when hose are disconnected to minimize the refrigerant loss. {Ans: All equipment must be equipped with what type of fittings?}