What is hcfcs - Study guides, Class notes & Summaries

ODP test Questions and Answers 2023 Chlorofluorocarbon (CFC) refrigerants consist of: Chlorine, Fluorine, Carbon What causes a CFC molecule to break down once it reaches the upper atmosphere? Ultraviolet light The Ozone layer: Reduces ultraviolet radiation. Hydrochlorofluorocarbon (HCFC) refrigerants consists of: Hydrogen, Chlorine, Fluorine, Carbon. Which of the following refrigerants causes the least amount of damage to the ozone layer? R-134a Are there...

EPA 608 Certification Final Exam 2023/2024 Questions & Correct Answers (Guaranteed A).

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...

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 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 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...

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...

EPA SECTION 608 EXAM (4 VERSIONS) WITH 500 ACTUAL EXAM QUESTIONS AND 100% CORRECT ANSWERS / EPA 608 TECHNICIAN CERTIFICATION REAL EXAM ANSWERS (BRAND NEW!!) Epa Section 608 Type 1 What type of certification is required for persons recovering CFC's, HCFCs, or HFCs during maintenance, service, or repair of small appliances. a. Type II technician. b. Type III technician. c. Type I technician. d. Technician who has passed the core exam. - ANSWER-C EPA Section 608 rules require capture...

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 SECTION 608 CORE (2019 revision) Questions and Answers Latest Version 100% Solved 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 ️️b. Molecules containing 3 oxygen atoms. Which of the following refrigerants has the lowest global warming potential? a. R-134a b. R-407C c. R-410A d. R-600a ️️d. R-600a...