Hfos - Study guides, Class notes & Summaries

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 Must See! Eyewitness Captures the Moment a Pair of Male Sea Lions Attack Beach-Goer...

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...

EPA 608 Core Study Guide Questions and Answers | Latest Version | 2024/2025 | Rated A+ What is the primary purpose of the Clean Air Act as it relates to refrigerants? The Clean Air Act aims to protect the ozone layer by regulating the production, use, and disposal of ozone-depleting substances, including many refrigerants. How does the EPA 608 Core Universal certification ensure compliance with the Clean Air Act? The certification educates technicians on proper handling, recovery,...

cfc universal | Questions and Verified Solutions Latest Update which of following refrigerants has lowest global warming potential ? A. R-134 A B. R407 D C. R410 A D. R600A - Answer - 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 - Answer - B. Carbon Dioxide Which type of refrigerant typically has the lowest global potential? A. HCFCs B. HFOs C. HFCs D. All are equal - An...

EPA REFRIGERANT TEST A QUESTIONS AND ANSWERS | LATEST VERSION | 2024/2025 | GRADED A+ What is the primary purpose of refrigerant regulations established by the EPA? The primary purpose is to minimize the release of substances that deplete the ozone layer and contribute to global warming by regulating the handling, recovery, and recycling of refrigerants. How does the EPA regulate the use of CFCs and HCFCs in refrigerant systems? The EPA has phased out the production and use of CF...

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 has t...

HVAC EPA 608 CORE Exam Test Questions With Answers |Verified | ALREADY PASSED what is CFCs? - ANSWER Chlorofluorocarbons (Chlorine, Fluorine, and carbon) What is HCFCs? - ANSWER Hydrochlorofluorocarbons (hydrogen, chlorine, fluorine, and carbon) What is ASHRAEs? - ANSWER The American Society of Heating Refrigerating and Airconditioning Engineers. A global professional association seeking to advance heating, ventilation, airconditioning and refrigeration systems. What is the gre...

technicians maintaining, servicing, repairing, or disposing of low-pressure appliances must be certified as: - ANSWER Type III or Universal Technician the owner &/or operator of the equipment is responsible for keeping: - ANSWER records including: leak inspections & any completed leak repair verification tests it's the _______ &/or ___________ responsibility to obtain service records from the servicing company doing any work on an appliancem - ANSWER owner &/ or operator as of 11/14/94...

RAC 40 Quiz 4 Review Questions | Latest Version | 2024/2025 | 100% Verified What is the main property of a refrigerant that allows it to change from liquid to gas? The main property is its low boiling point, which allows it to evaporate and absorb heat at low temperatures. What is a common environmental concern associated with certain refrigerants? Certain refrigerants contribute to ozone depletion and global warming. What is the difference between a CFC and an HFC refrigerant? ...

EPA CORE EXAM When servicing an R-22 system you CANNOT - ANSWER top off the unit with R-407C Reclaimed refrigerant must be tested to meet __________________ before it can be resold. - ANSWER AHRI 700 EPA may require technicians to demonstrate their ability to perform proper procedures for recovering and/or recycling refrigerant. Failure to demonstrate or failure to properly use the equipment may result in: - ANSWER Revocation of the technician's certification You have to leak check a ...