Cfc exam 1 - Study guides, Class notes & Summaries

EPA 608 CORE Exam Questions and Answers (2022/2023) (Verified Answers) Graded A+ 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, flouri...

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...

CFC EXAM 1 QUESTIONS AND ANSWERS 100% CORRECTCFC EXAM 1 QUESTIONS AND ANSWERS 100% CORRECT

EPA 608 CORE TEST EXAM 2024 WITH 100% CORRECT ANSWERS 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 - correct answer 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 la...

EPA 609 Technician Certification Exam 2024 Questions With Correct Answers 1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant Answer - FALSE 2. 2. For determining the Ozone Depletion Potential having been assigned a factor of 1 Answer CFC-11 3. 3. Ozone layer absorbs and scatters form the sun Answer Ultraviolet light 4. 4. T/F R-134 is a chlorine-free refrigerant Answer TRUE

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 ...

EPA 608 Certification UPDATED ACTUAL Exam Questions and CORRECT Answers November 14, 1994 - CORRECT ANSWER- What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? Memorize it, ya'll. - CORRECT ANSWER- 1989- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs

EPA 608 Practice exam type 1 solved correctly The sale of reclaimed CFC, HCFC, HFC, and HFO refrigerants is_______. Restricted to technicians who are EPA certified and refrigerant recovery A small Pliance is defined as a system that is Manufactured, fully charged, and hermetically sealed in a factory with a charge of 5 pounds or less A __________ recovery device can be use for type 1 small appliance applications or type 2 applications if the total charge is below 15 pounds. System dependent Y...

EPA 608 (Core, Type 1, Type 2, and Type 3) Exam Test Questions With Revised Correct Answers BEST UPDATED COMBINED SET!! The rupture disc is connected at the evaporator and is typically set to open at - ANSWER 15 PSIG The rupture disc is piped to the outdoors for venting - ANSWER ... When recharging a refridgeration system with CFC-11, 16.9 in. Hg. vacuum is necessary in the shells before charging with a liquid - ANSWER ... Under some conditions sight g...