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EPA 608 universal questions and answers latest 2023 complete solution Refrigeration technicians who violate the Clean Air Act can: -ANSWER - Lose their EPA certification, be fined, be required to a ... ppear in Federal court. After 1995, any supplies of CFC refrigerants to service existing units in the USA can only come from: -ANSWER - recovery and recycling. Refrigerant that is recovered can be returned to: -ANSWER - the same system or other systems owned by the same person without restriction. Refrigerant can not be called "reclaimed" unless it: - .ANSWER - has been chemically analyzed and the refrigerant meets the ARI-700 standard. The EPA can require a technician to demonstrate their ability to perform proper procedures for recovering and/or recycling refrigerant. Failure to demonstrate competency can result in: -ANSWER - revocation of the technicians certification. What characteristic(s) of CFCs make them more likely to reach the stratosphere than most other compounds containing chlorine? -ANSWER - Refrigerants that contain chlorine but not hydrogen are so stable that they do not break down in the lower atmosphere after being released. The chlorine or bromine reacts with the ozone, causing it to change back to oxygen, thus destroying the ozone layer. A system is considered dehydrated when: -ANSWER - the vacuum indicator shows you have reached and held the required finished vacuum. Disposable refrigerant containers are used for ______ANSWER - virgin refrigerant Which refrigerant is an HCFC? -ANSWER - R-123, R-124, R-22 What statement is true about an azeotropic refrigerant mixture? -ANSWER - It is a mixture that acts like a single-component refrigerant over its entire range. Chlorofluorocarbos (CFCs) and hydrochlorofluorocarbons (HCFCs) have which of the following in common? -ANSWER - It is a mixture that acts like a single-component refrigerant over its entire range. To scrap a disposable cylinder, the internal cylinder pressure should be reduced to at least: -ANSWER - 0 psig. Manifold gauge sets are often color coded, when this is done, the high pressure gauge is color coded: - Red.ANSWER - In general, blended refrigerants should be charged: -ANSWER - as a liquid. [Show More]

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EPA 608 Exams Bundled Together with complete solutions Questions and Answers (Verified Answers)(Full Solution Pack)

HVAC: EPA 608 Certification Study Guide Questions and Answers, Graded A+ EPA 608 Core Exam Questions and Answers, Graded A+ EPA 608 Certification Section 608 Refrigerant Recovery and Transition...

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