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
