Hfos - Study guides, Class notes & Summaries

cfc universal Questions and Answers 2023 which of following refrigerants has lowest global warming potential ? A. R-134 A B. R407 D C. R410 A D. R600A D. R600A which of the following gases is used as the baseline measurement for global warming potential ? A. Ammonia B. Carbon Dioxide C. CFC- 12 D. Propane B. Carbon Dioxide Which type of refrigerant typically has the lowest global potential? A. HCFCs B. HFOs C. HFCs D. All are equal B. HFOs Why are HFO refrige...

EPA SECTION 608 CORE EXAM 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 Which of the following gases is used as the baseline measureme...

1. Ozone molecule has: 3 oxygen atoms. 2. Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for: disposable cylinders. 3. Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants: HFOs. 4. What is the Significant New Alternatives Policy (SNAP) Program: EPA's. program that identifies refrigerants with lower overall risks to human health and the environment. 5. Clean refrigerant ...

609 ESCO Exam Practice Questions and Answers 100% Pass 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, i...

EPA SECTION 608 CORE (2022 revision) Exam Questions and Answers, Graded A+ 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 Which of the fol...

Which type of refrigerant contains no chlorine? HFC's An ozone molecule contains; three oxygen atoms HFCs ________; will not damage stratospheric ozonem, but have a high GWP. Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for; disposable cylinders The condenser _______________________________________ changes a high-pressure vapor to a high-pressure liquid. Which of the follo...

EPA Study Test Solved Questions and Answers The technician - Should the EPA regulations change, who's responsibility is it to comply with these changes? CFC, HCFC, HFC, and HFO refrigerants - What refrigerants are currently being regulated? False - You can work under another person's certification. Appliances charged with 5 lbs or less of refrigerant - Type 1 covers what kind of appliances? Split-systems - What kind of appliance is not included in Type 1? Water coolers, wind...

1. Ozone molecule has: 3 oxygen atoms. 2. Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for: disposable cylinders. 3. Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants: HFOs. 4. What is the Significant New Alternatives Policy (SNAP) Program: EPA's. program that identifies refrigerants with lower overall risks to human health and the environment. 5. Clean refrigerant for reu...

Epa 608 Universal Elaborated Questions And Reviewed Answers Ozone - CORRECT ANSWER-03 atoms Air we breathe - CORRECT ANSWER-O2 Length of ozone - CORRECT ANSWER-7-28 miles above atmosphere ODP - CORRECT ANSWER-Ozone Depletion Potential What causes odp - CORRECT ANSWER-Chlorine containing refrigerants How many ozone molecules are destroyed by 1 chlorine molecule - CORRECT ANSWER-100,000 Montreal Protocol (1987) - CORRECT ANSWER-phase out of ozone depleting substances. UV radiation ri...

What does ozone in the stratosphere above the earth consist of? correct answer: Molecules containing 3 oxygen atoms Which of the following refrigerants has the lowest global warming potential? correct answer: a. R-134a b. R-407C c. R-410A d. R-600a d. R-600a (GWP - 3) Which gas is used as the baseline measurement for global warming potential? correct answer: Carbon Dioxide Which type of refrigerant typically has the lowest global warming potential? correct answer: HFOs ...