Ase Ac 609 Study Guide Questions And Correct Answers

MVAC-Like Appliances {Ans: an appliance similar enough to an mvac that one does not need a 608 certification (eg tractors, buses, and construction equipment. DOES NOT INCLUDE: refrigerated trailers, boats, trains, and aircraft)}mvac {Ans: Motor Vehicle Air Conditioner}HFCs {Ans: hydrofluorocarbons, eg R-134a (HFC-134a)}class 2 substance {Ans: ozone depleting chemical with an ozone depletion potential less than .2 (eg HCFCs)}HCFCs {Ans: Hydrochlorofluorocarbons, eg R-22 (HCFC-22)}ODS {Ans: ozone depleting substance}CFCs {Ans: Chlorofluorocarbons, eg R-12 (CFC-12)}HFOs {Ans: Hydrofluoroolefins, eg R-1234yf (HFO-1234yf)}class 1 substance {Ans: ozone depleting chemical with an ozone depletion potential greater than .2 (eg CFCs)}Ozone Depletion Potential {Ans: chemical rating that ranges from 0.01-1.0 and that refers to the amount of ozone depletion caused by a substance compared to CFC-11 (eg HCFC-22 depletes .034 of the ozone where CFC-11 would deplete 1.0)}