EPA 608 Practice Test One Edition Complete Review with Verified Questions and Correct

EPA 608 Practice Test
One 2026 2027 Edition
Complete Review with
Verified Questions
and Correct Answers

, What is a blend of two or more components who's equilibrium vapor phase & liquid phase
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compositions are the same at a given pressure? - correct answer = Azeotrope m m m m m m m m m m m m




This is a halogenated hydrocarbon containing one or more of the three halogens: fluorine,
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chlorine, and bromine - correct answer = Halocarbon m m m m m m m




m Chlorofluorocarbons (CFCs) consist of? - correct answer = Chlorine, fluorine, carbon m m m m m m m m m m




m CFCs are chemically very stable because they contain no? - correct answer = Hydrogen
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m CFCs are damaging to what layer of the ozone layer? - correct answer = Stratospheric
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Of the three common types of refrigerants this one has the highest ozone depletion potential
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(ODP) - correct answer = CFCs m m m m m




These test methods are assumed by the EPA as the most effective methods for locating the
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general area of small leaks - correct answer = Electronic and ultrasonic
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mAfter recovery of a system, if the pressure rises above ambient pressure then what is most
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likely happening? - correct answer = Trapped refrigerant is probably boiling off
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mIn cases where the refrigerant cannot be reclaimed due to contamination with other
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refrigerants, what must be done to the refrigerant? - correct answer = Must be destroyed by m m m m m m m m m m m m m m m m




incineration at an approved facility m m m m




Where should the system vacuum gauge be connected? - correct answer = As close as
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possible to the system being evacuated m m m m m




m Import of CFCs will be banned after December 31, what year? - correct answer = 1995
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A second category of refrigerant is currently available which is hydrochlorofluorocarbons
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(HCFCs). Although they contain chlorine, which is damaging to the ozone layer, they also
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contain this which makes them chemically less stable once they enter the atmosphere. -
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correct answer = Hydrogen m m m




Under EPA's regulations, reclaimed refrigerant must meet what standards for purity before it
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can be resold? - correct answer = ARI-700
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What type of recovery devices are so named because they depend on components of the
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system; that is, they capture refrigerant with the assistance of components in the air
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conditioning or refrigeration equipment as they are emptying. - correct answer = System m m m m m m m m m m m m m




dependent

m All devices used for refrigerant recovery must meet what standards? - correct answer = EPA
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m What is one HCFC? - correct answer = R-22
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