True {Ans: Vacuum pumps are rated by their volumetric capacity, which is typically expressed in CFM. T or F}Persons who maintain, service, repair, or dispose of high and very high pressure appliances. Except small appliances and motor vehicle air conditioning systems. {Ans: What is EPA 608 Type II certification?}Up-right with proper DOT classification tags. {Ans: How should refrigerant cylinders be shipped?}Commonly known as HCFC's, they are a group of man-made compunds containing hydrogen, chlorine, fluorine, and carbon. {Ans: What are HydroChloroFluoroCarbons?}recovered. {Ans: To take refrigerant out of a system, it must be ________}An appliance that uses a refrigerant with a liquid phase saturation pressure below 45 psia at 104 F. This definition includes but not limited to appliances using R-11, R-123, and R-113. {Ans: Low-pressure appliance}an auxiliary heat exchanger coil. {Ans: A major repair involves removal of _______}These atoms attack Ozone Molecules causing the formation of Chlorine Monoxide (CLO), after colliding with another Ozone Molecule, causes 2 Oxygen (O2) molecules to be made & leaving an atom of chlorine to act as "Free Agent" starting the process over until 100,000 molecules of Ozone are destroyed by just one atom of chloride. {Ans: