What is cfcs - Study guides, Class notes & Summaries

EPA Certification Exam (2023/ 2024 Update) Practice Questions and Verified Answers| 100% Correct| Grade A Q: What is known as de minimis releases? Answer: It is a minimum amount of refrigerant that can be released to the atmosphere when servicing equipment. Q: What does the term temperature glide refer to? Answer: the different refrigerant boiling and condensing points of a blended refrigerant Q: Service technicians who violate the Clean Air Act Answer: may be...

Lose their EPA certification, be fined, be required to appear in Federal court. Refrigeration technicians who violate the Clean Air Act can: - recovery and recycling. After 1995, any supplies of CFC refrigerants to service existing units in the USA can only come from: - the same system or other systems owned by the same person without restriction. Refrigerant that is recovered can be returned to: - has been chemically analyzed and the refrigerant meets the ARI-700 standar...

Ozone depletion is caused by _______ in HFC refrigerants. - Answer-chlorine CFCs and HCFCs ________ making them capable capable of reaching the stratospheric ozone layer. - Answer-do not dissolve in water or easily break down in the atmosphere According to the Rolanda-Molina theory, ________ are destroyed by each chlorine atom in the stratosphere. - Answer-100,000 ozone molecules The stratospheric ozone layer protects us from _______. - Answer-ultraviolet radiation from the sun Which...

EPA Certification Exam (2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: What is being done in the U.S. to stop damage to the stratospheric ozone layer? Answer: Phasing out the use of chlorofluorocarbons and hydrochlorofluorocarbons. Q: How should disposable cylinders of CFCs, HCFCs, and HFCs be discarded? Answer: Recover all remaining refrigerant, render the cylinders useless and recycle the metal. Q: In addition to fines and being require...

What is a blend of two or more components who's equilibrium vapor phase & liquid phase compositions are the same at a given pressure? - Azeotrope This is a halogenated hydrocarbon containing one or more of the three halogens: fluorine, chlorine, and bromine - Halocarbon Chlorofluorocarbons (CFCs) consist of? - Chlorine, fluorine, carbon CFCs are chemically very stable because they contain no? - Hydrogen CFCs are damaging to what layer of the ozone layer? - Stratospheric Of the three comm...

New York Real Estate Exam with 100% Verified and Updated 2024 Where is the license law written? - Answer ️️ -Article 12-A Who is responsible for administrative discipline of real estate licensees? - Answer ️️ - Department of State or Secretary of State Under NYS Real Property Law, when Department of State revokes a salesperson's license, how much time must past before the salesperson can be relicensed? - Answer ️️ -One year If a broker's licensed is revoked, what happens to ...

Which of the following is not a violation of refrigerant management regulations under the clean air act? : Servicing a system that uses CFCs or HCFCs after the phase of those refrigerant Which of the following refrigerants has the lowest global warming potential? : R-600a How does the global warming potential of R410A compare to carbon dioxide? : It is thousands of times greater How does the global warming potentials of isobutane (R-600a), propane (R-290), and R-441A compare to the G...

EPA 608 CORE Exam What characteris+c or characteris+cs 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, flourine and carbon Which r...

EPA Certification| 200 Questions and Answers 100% CorrectEPA Certification| 200 Questions and Answers 100% CorrectEPA Certification| 200 Questions and Answers 100% CorrectEPA Certification| 200 Questions and Answers 100% CorrectTrue or false: CFCs neither dissolve in water nor break down into compounds that dissolve in water, so they do not rain out of the atmosphere. - ANSWER-True How many ozone molecules will one chlorine atom destroy? - ANSWER-100,000 What does ODP stand for? - ANSWE...

Where is the stratosphere? - 10 to 30 miles Where is ozone located? - stratosphere What does an ozone molecule consist of? - 3 oxygen atoms The ozone layer protects us from... - ultraviolet radiation The ozone layer helps to maintain... - stable earth temperatures Depletion of ozone causes... - crop loss, eye disease, skin cancer, reduced marine life, deforestation, increased ground level ozone. What type of refrigerants, when released into the atmosphere, cause ozone depletion...