Cfc refrigerants r 11 - Study guides, Class notes & Summaries

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? - July 1, 1992 What is the ozone layer and why is it important to us on Earth? - Protective shield for Earth from the sun's harmful ultraviolet. The atom found in CFC and HCFC refrigerants that destroys ozone in the atmosphere is? - Chlorine What is an ozone molecule made of? - Three oxygen atoms (O3) Which refrigerant is a CFC? - R-12 What is the name of the atom that attacks ozone...

A refillable refrigerant cylinder must not be filled above ______ of its full capacity. o :## 80% Ozone layer absorbs and scatters ________ from the sun o :## Ultraviolet light An award of up to ______ may be paid to a person supplying information that leads to a penalty against a technician who is intentionally venting. o :## $10,000 Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States o :## Jan 1, 1996 R-134a is a chlorine-free refrig...

EPA 608 Type 3 exam with 100% Complete Solutions. On low pressure chillers, moisture typically enters the refrigerant system through air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: 10 psig Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller ... A hydrostatic tube test kit is used to: determine if a tube leaks Commercial and industrial process refrigeration systems must be ...

EPA 608 Core Test 340 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 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 stratosphere layer that ext...

EPA Type 2 Questions and Answers Already Graded A Heat pumps that have been retrofitted from R22 to R407C should be leak checked with: pressurized nitrogen When a new system has been assembled, the first thing to do is: pressurize the system with inert gas and leak check EPA regulations require that leaking commercial or industrial process refrigeration equipment must be repaired when the leak rate exceeds______ of the charge per year. 35% Prior to replacing the condenser coil in a high pres...

EPA 609 Technician Certification 120 Real Exam Questions With Answers | Verified 1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant - ANSWER FALSE 2. For determining the Ozone Depletion Potential __________ having been assigned a factor of 1 - ANSWER CFC-11 3. Ozone layer absorbs and scatters __________ form the sun - ANSWER Ultraviolet light 4. T/F R-134 is a chlorine-free refrigerant - ANSWER TRUE 5. a refillable refrigerant cylinder must not be filled above...

EPA 608 Certification Exam with 100% Correct Answers 2024 November 14, 1994 - ANSWERS What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? Memorize it, ya'll. - ANSWERS 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 refrigerant, w or wo compressor, ...

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 that extends about 6 to 30 miles above earth c. Thin lay...

EPA 608 Type 3 Accurate Questions & Ansewers!!On low pressure chillers, moisture typically enters the refrigerant system through - ANSWER air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: - ANSWER 10 psig Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller - ANSWER ... A hydrostatic tube test kit is used to: - ANSWER determine if a tube leaks Commercial and industrial pro...

EPA 608 Type 3 Questions & Answers(Graded A+)On low pressure chillers, moisture typically enters the refrigerant system through - ANSWER air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: - ANSWER 10 psig Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller - ANSWER ... A hydrostatic tube test kit is used to: - ANSWER determine if a tube leaks Commercial and industrial proc...