EPA 609 Questions and Complete Solutions 2023/2024

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 to vent substitutes for CFC and HCFC refrigerants? - Correct Answer November 15, 1995 Ozone at ground level ans at Stratosphere is a harmful pollutant? - Correct Answer False A refillable refrigerant cylinder must not be filled above ______ of its full capacity? - Correct Answer 80% Each chlorine ion can able to destroy ______ ozone mole? - Correct Answer 100,000 R-134a is a chlorine-free refrigerant? - Correct Answer True MVAC systems being disposed must be evacuated to _____ of mercury before being scrapped? - Correct Answer 4 inches Ozone layer absorbs and scatters ________ from the sun? - Correct Answer 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? - Correct Answer 10,000 Every refrigerant cylinder need not be protected by some type of pressure relief device? - Correct Answer False Ozone molecule consists of ______ atoms of oxygen? - Correct Answer Three CFCs are highly reactive in _____ of atmosphere? - Correct Answer Lower level Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found in buses, also requires Section ______ certification? - Correct Answer 608 Stratosphere layer consists of about _____ of the available Ozone? - Correct Answer 90% Moisture