What is cfcs - 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...

LEED Green Associate Complete Test Bank with a Complete A+ study guide_ Summer 2023-2024. Who can use the USGMC Member Logo? - Only USGBC Members in good standing. What can be used to assist with the certification of projects in a campus of multi-building setting such as corporate campuses, college campuses and government installations? - ** The LEED for Multiple Buildings and On-Campus Building rating system provides direction in applying LEED for New Construction to projects in a campu...

EPA 608 Core Test Sample Questions and Answers Latest 2023 with complete solution. 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 Ans 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 strato...

ODP Test Questions and Answers with Verified Solutions What role does the ozone layer play in protecting life on Earth? A) It provides fresh air B) It acts as a shield against harmful UV radiation C) It regulates temperature D) It helps with plant growth What is the main purpose of the Montreal Protocol? A) To phase out substances that deplete the ozone layer B) To increase fossil fuel use C) To promote chemical manufacturing D) To enhance air quality Which of the following s...

EPA SECTION 608 CORE (2021-2022 revision) A disposable cylinder should be reduced to what pressure before scrapping? a. 0 psig b. 20 psig c. 50 psig d. 80 psig A major system repair is being performed on a R-22 appliance. What CANNOT be done to recharge the appliance? a. Add R-22 after the repair is complete. b. Retrofit the unit to R-407C. c. Use recovered or recycled R-22 from the same owner. d. Top off the unit with R-410a. A refillable cylinder must not be filled above what ...

ODP Test Questions and Answers Already Passed What does ODP stand for in environmental science? ODP stands for Ozone Depletion Potential. Why is the ozone layer important for life on Earth? It protects living organisms from harmful ultraviolet (UV) radiation from the sun. What are chlorofluorocarbons (CFCs) primarily used for? CFCs are mainly used as refrigerants, propellants in aerosol sprays, and in foam-blowing applications. What is the primary consequence of ozone deplet...

What characteristic or characteristics 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 refrigerant is a chlorine free refrigerant? - HFC R 1...

EPA 608 CORE EXAM QUESTIONS AND ANSWERS 100% SOLVED What characteristic or characteristics 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 an...

Removing refrigerant in any condition from a system and storing it in an external container without necessarily testing or processing it in any way defines A) Recycling B) Recovering C) Reclaiming D) Restoring - B) Recovering One should NEVER heat a refrigerant storage or recovery tank with an open flame because: A) it can result in venting refrigerant to the atmosphere B) the tank may explode, causing serious injury to people nearby C) refrigerant in the tank may decompose, f...

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