Hcfcs contain - Study guides, Class notes & Summaries

EPA 608 Universal Exam ( ACTUAL EXAM ) Questions With Verified Solutions| ALREADY PASSED. Refrigeration technicians who violate the Clean Air Act can: - - ANSWER Lose their EPA certification, be fined, be required to appear 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...

Who Must Be Certified? Any person that services Motor Vehicle Air Conditioning (MVAC) must be certified. Servicing of motor vehicle air conditioning includes repairs, leak testing, and "topping off" of air conditioning systems low on refrigerant, as well as any other repair to the vehicle that requires dismantling any part of the air conditioner. NOTE: Service performed on HCFC-22 air conditioner systems typically found on busses, is NOT covered under section 609, but rather section 608 of the C...

EPA 608 CORE Exam Questions and Answers (2022/2023) (Verified Answers) Graded A+ What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? 100,000 ozone molecules Which refrigerant contains a CFC? R500, R12, R113 or R11? Theyre all CFC's HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? Hydrogen, chlorine, flouri...

EPA SECTION 608 CORE (2021-2022 revision) A disposable cylinder should be reduced to what pressure before scrapping? a. 0 psig b. 20 psig c. 50 psig d. 80 psig A major system repair is being performed on a R-22 appliance. What CANNOT be done to recharge the appliance? a. Add R-22 after the repair is complete. b. Retrofit the unit to R-407C. c. Use recovered or recycled R-22 from the same owner. d. Top off the unit with R-410a. A refillable cylinder must not be filled above what ...

Refrigeration technicians who violate the Clean Air Act can: - - Correct answer-Lose their EPA certification, be fined, be required to appear in Federal court. After 1995, any supplies of CFC refrigerants to service existing units in the USA can only come from: - - Correct answer-recovery and recycling. Refrigerant that is recovered can be returned to: - - Correct answer-the same system or other systems owned by the same person without restriction. Refrigerant can not be called "reclaimed...

EPA 608 Exam Test Questions With Revised Correct Answers BEST UPDATED COMBINED SET!! The molecule found in CFCs and HCFCs that depletes ozone is - ANSWER Chlorine A single chlorine atom can destroy how many ozone molecules - ANSWER 100,000 Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants - ANSWER HFOs Reusable refrigerant containers under high-pressure must be hydrostatically tested how often - ANSWER 5 years ...

EPA Certification Exam 2023/2024 Questions & Answers (Guaranteed A+ 100% Verified)

Reusable refrigerant containers under high-pressure must be hydrostatically tested how often? - ANSWER 5 years How much can a person be fined per day per violation for knowingly releasing a regulated substance that violates the Clean Air Act? - ANSWER $44,539 HCFCs contain - ANSWER Hydrogen, Chlorine, Fluorine, and Carbon Which of the following refrigerants is an HFO? - ANSWER R-1234ze An ozone molecule contains; - ANSWER Three oxygen atoms

EPA Certification Exam Questions and Answers | Latest Version | 2024/2025 | Already Passed Which type of refrigerants have the highest chlorine content? CFCs Explanation: Chlorofluorocarbons (CFCs) contain a significant amount of chlorine, which contributes heavily to ozone depletion. From which date did it become illegal to deliberately release Class 1 and Class 2 refrigerants into the air? July 1, 1992 Explanation: This date marks the enforcement of regulations against the ...

Reusable refrigerant containers under high-pressure must be hydrostatically tested how often? - correct answer 5 years How much can a person be fined per day per violation for knowingly releasing a regulated substance that violates the Clean Air Act? - correct answer $44,539 HCFCs contain - correct answer Hydrogen, Chlorine, Fluorine, and Carbon Which of the following refrigerants is an HFO? - correct answer R-1234ze An ozone molecule contains; - correct answer Three oxygen atoms ...

What is the Ozone Layer? What is the difference between ozone in the stratosphere and on the ground level? Ozone in the stratosphere between 7 and 28 miles above earth. On the ground level ozone is a harmful pollutant, in the stratosphere it is a protective shield. What is ODP? Ozone Depletion Potential It is the ability of a substance to destroy ozone in the stratosphere What is GWP? Global Warming Potential. The GWP of a refrigerant is its global warming impact rel...