A 1 answer refrigerants - Study guides, Class notes & Summaries

What must be located outside a Class T machinery room? Select one: a. Spare flashlights b. Disposable coveralls c. Machinery shut off switch d. Light switches - ANSWER c Degradation of heat transfer fluid of a hot oil system will begin to occur if: Select one: a. The oil filter is not serviced regularly b. The oil temperature is above a specified range, for an extended period of time c. The oil is allowed to churn in the circulating pump d. The oil becomes too viscous - ANSWER b...

EPA 608 Core Test Sample Questions with 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 layer...

EPA 609 EXAM 2024 WITH 100% CORRECT ANSWERS Lifetime of CFCs is believed to range from _____ years? - correct answer 2 to 100 For determining the Ozone Depletion Potential ________ having been assigned a factor of 1? - correct answer CFC-11 Ester-based synthetic oils can be mixed with other oils? - correct answer False Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States? - correct answer January 1, 1996 Since _____, it is illegal ...

EPA608 Certification | Questions and Correct Solutions | Latest Update 2024/2025 | Graded A+ November 14, 1994 - Answer -What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? Memorize it, ya'll. - Answer -1989- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs Nov 15 1993- Recovery/Recycling equipment must be certified and labeled by EPA AND Before this date recovery equipment needed to be capable of removing 80% of the...

EPA 608 CORE Exam | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+ What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? - Answer -Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? - Answer - 100,000 ozone molecules Which refrigerant contains a CFC? R500, R12, R113 or R11? - Answer -Theyre all CFC's HYDROCHLORIC FLORICCARBON (HCFC) refrigerant c...

EPA Certification Exam with 100% Complete Solutions Which Refrigerants contain the most chlorine? -Answer-CFC's As of what date did it become unlawful to intentionally release Class 1 and Class 2 refrigerants to the atmosphere? -Answer-July 1, 1992 Which Refrigerants have the lowest zone depletion potential? -Answer-HFC's The molecule found in CFC's and HCHC's refrigerants that destroys the ozone in the stratosphere is: -Answer-Chlorine Stratospheric ozone consists of: -Answer-Three ...

R-134a is a chlorine-free refrigerant Answer: True Ozone layer absorbs and scatters ________ from the sun Answer: ultraviolet light For determining the Ozone Depletion Potential ________ having been assigned a factor of 1 Answer: CFC-11 A refillable refrigerant cylinder must not be filled above ______ of its full capacity. Answer: 80% Ozone at ground level and at Stratosphere is a harmful pollutant Answer: False Each chlorine ion can able to...

Section 608 Technician EPA Certification Exam Questions with Correct Answers 100% Verified When was the Clean Air Act passed? a. The 1920s b. 15 November 1990 c. 14 November 1994 d. 1 July 1992 - Correct Answer b An EPA Technician certification is required to service refrigeration systems after which date? a. The 1920s b. 15 November 1990 c. 14 November 1994 d. 1 July 1992 - Correct Answer c When did the law against venting of CFC/HCFC refrigerants take effect? a. The 1920s...

EPA 608 CORE EXAM QUESTIONS AND ANSWERS What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? - Answer ️️ -Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? - Answer ️️ - 100,000 ozone molecules Which refrigerant contains a CFC? R500, R12, R113 or R11? - Answer ️️ -Theyre all CFC's HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? - Answer ️️ -Hydr...

EPA Certification Exam Prep (2023/ 2024 Update) Practice Questions and Verified Answers| 100% Correct| Grade A Q: What are 6 Type II appliances? Answer: 1.Walk-in coolers 2.Walk-in freezers 3.Reach-in refrigerators 4.Reach-in freezers 5.Residential & Commercial comfort cooling systems 6.Ice machines Q: To justify the cost increases of service to a customer, simply explain that ----- and required ---- to recover refrigerants in order to ----- and -----. Answer: you are b...