EPA 609 Practice Questions with Correct
Answers
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
Ozone depletion increases global warming - CORRECT ANSWER -True
Answers
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
Ozone depletion increases global warming - CORRECT ANSWER -True
