EPA 609 Practice questions and answers
2024\2025 A+ Grade
R-134a is a chlorine-free refrigerant
- correct answer True
Ozone layer absorbs and scatters ________ from the sun
- correct answer ultraviolet light
For determining the Ozone Depletion Potential ________ having been assigned a factor of 1
- correct answer CFC-11
A refillable refrigerant cylinder must not be filled above ______ of its full capacity.
- correct answer 80%
Ozone at ground level and at Stratosphere is a harmful pollutant
- correct answer False
Each chlorine ion can able to destroy ______ ozone molecules
- correct answer 100,000
Lifetime of CFCs is believed to range from _____ years
- correct answer 20-100
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
Ester-based synthetic oils can be mixed with other oils
- correct answer False
, Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants
- correct answer Nov 15, 1995
MVAC systems being disposed must be evacuated to _____ of mercury before being scrapped
- correct answer 4 inches
Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States
- correct answer Jan 1, 1996
The Clean Air Act (CAA) of ______ directs EPA to establish requirements to prevent the release of ozone
depleting substances.
- correct answer 1990
At high temperatures, CFC-12 can decompose to form _______
- correct answer hydrochloric and hydrofluoric acid
Ozone molecule consists of ______ atoms of oxygen
- correct answer three
CFCs are highly reactive in _____ of atmosphere
- correct answer lower
Non-condensables in a refrigeration system result in a _______ discharge pressure
- correct answer higher
Moisture level in Recycled R-12 (CFC-12) that has been directly removed from, and intended to be
returned to, a mobile air-conditioning system cannot exceed _______ PPM by weight.
- correct answer 15
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found in buses, also
requires Section ______ certification
- correct answer 608
2024\2025 A+ Grade
R-134a is a chlorine-free refrigerant
- correct answer True
Ozone layer absorbs and scatters ________ from the sun
- correct answer ultraviolet light
For determining the Ozone Depletion Potential ________ having been assigned a factor of 1
- correct answer CFC-11
A refillable refrigerant cylinder must not be filled above ______ of its full capacity.
- correct answer 80%
Ozone at ground level and at Stratosphere is a harmful pollutant
- correct answer False
Each chlorine ion can able to destroy ______ ozone molecules
- correct answer 100,000
Lifetime of CFCs is believed to range from _____ years
- correct answer 20-100
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
Ester-based synthetic oils can be mixed with other oils
- correct answer False
, Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants
- correct answer Nov 15, 1995
MVAC systems being disposed must be evacuated to _____ of mercury before being scrapped
- correct answer 4 inches
Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States
- correct answer Jan 1, 1996
The Clean Air Act (CAA) of ______ directs EPA to establish requirements to prevent the release of ozone
depleting substances.
- correct answer 1990
At high temperatures, CFC-12 can decompose to form _______
- correct answer hydrochloric and hydrofluoric acid
Ozone molecule consists of ______ atoms of oxygen
- correct answer three
CFCs are highly reactive in _____ of atmosphere
- correct answer lower
Non-condensables in a refrigeration system result in a _______ discharge pressure
- correct answer higher
Moisture level in Recycled R-12 (CFC-12) that has been directly removed from, and intended to be
returned to, a mobile air-conditioning system cannot exceed _______ PPM by weight.
- correct answer 15
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found in buses, also
requires Section ______ certification
- correct answer 608
