What is cfcs - Study guides, Class notes & Summaries

EPA 608 EXAM BANK UPDATED WITH 100% ACCURATE SOLUTIONS Refrigeration technicians who violate the clean air act can: A. lose their epa certification B. be fined. C. be required to appear in federal court D. all of the above - correct answer all of the above It has been illegal to vent substitutes for CFC and HCFC refrigerants since: - correct answer november 1995 which refrigerant has the lowest odp? R22, R11, R12, R113 - correct answer R22 to remove refrigerant in any condit...

EPA 608 CORE EXAM QUESTIONS AND ANSWERS What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? - Answer ️️ -Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? - Answer ️️ - 100,000 ozone molecules Which refrigerant contains a CFC? R500, R12, R113 or R11? - Answer ️️ -Theyre all CFC's HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? - Answer ️️ -Hydr...

EPA 608 CORE EXAM TESTS COMBINED | VERIFIED TEST QUESTIONS WITH CORRECT SOLUTIONS Where is the stratosphere? - ANSWER 10 to 30 miles Where is ozone located? - ANSWER stratosphere What does ozone in the stratosphere above the earth consist of? a. Molecules containing 2 oxygen atoms b. Molecules containing 3 oxygen atoms c. Molecules containing 4 oxygen atoms d. Molecules containing 5 oxygen atoms - ANSWER b. Molecules containing 3 oxygen atoms Which of the following refrigerants ha...

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

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? a. July 1, 1992 b. July 1, 1993 c. November 14, 1994 d. January 1, 1996 a. July 1, 1992 What is the ozone layer and why is it important to us on Earth? a. Thin layer of R-22 in the atmosphere that filters UV. b. Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere layer that extends about 6 to 30 miles above earth c. Thin layer of CFC ...

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 ...

What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? - CORRECT ANSWER Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? - CORRECT ANSWER 100,000 ozone molecules Which refrigerant contains a CFC? R500, R12, R113 or R11? - CORRECT ANSWER Theyre all CFC's HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? - CORRECT ANSWER Hydrogen, chlorine, ...

True 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. : True How many ozone molecules will one chlorine atom destroy? : 100,000 What does ODP stand for? : ozone depletion potential What is ODP? : the measurement of CFC's and HCFC's ability to destroy ozone Which refrigerant is the most harmful to the ozone layer? : R-12 CFC 2 | P a g e The Clean Air Act prohibits venting of CFCs and HCFCs as ...

November 14, 1994 - What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? Memorize it, ya'll. - 1987- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs Nov 15 1993- Recovery/Recycling equipment must be certified and labeled by EPA AND Before this date recovery equipment needed to be capable of removing 80% of the refrigerant, w or wo compressor, or 4 in Hg After this date recovery equipment needs to be capable of ...

LEED Green Associate Exam 1 Questions With Answers Natural refrigerants are... Less efficient 3 Phases of LEED Integrative Process 1. Design and Construction (Implementation) 2. Occupancy, Operations and Performance Feedback 3. Discovery LEED Charrette Intensive, muitiparty workshop that brings people from different disciplines and backgrounds together to produce specific deliverables LEED Impact Categories (7) 1. Reverse contribution to climate change 2. Enhance individua...