1|Page
EPA Certification Exam Most Recent Exam 2026 Actual
Complete Real Verified Exam Questions And Correct
Answers (Verified Answers) Already Graded A+ /
Newest Exam!!!
The Gas in the stratosphere that protects us from
ultraviolet radiation is: - Answer-Ozone
Which refrigerant is a CFC? - Answer-R-12
Which refrigerant is an HCFC? - Answer-R-123 & R-22
Which refrigerant is an HFC? - Answer-R-134a
Which refrigerant contains no chlorine? - Answer-R-134a
The Molecule found in the stratosphere that indicates
stratospheric ozone depletion is taking place is: - Answer-
Chlorine monoxide
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The following actions would violate the clean air act
(CAA): - Answer-Knowingly releasing Class 1 Class 2
substances
failing to keep or falsifying required records
failing to tech the required evacuation levels before
opening a systems to the atmosphere for service
One time (disposable) refrigerant cylinders are used for: -
Answer-Virgin refrigerant
Which Refrigerants contain the most chlorine? - Answer-
CFC's
As of what date did it become unlawful to intentionally
release Class 1 and Class 2 refrigerants to the
atmosphere? - Answer-July 1, 1992
Which Refrigerants have the lowest zone depletion
potential? - Answer-HFC's
The molecule found in CFC's and HCHC's refrigerants that
destroys the ozone in the stratosphere is: - Answer-
Chlorine
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Stratospheric ozone consists of: - Answer-Three oxygen
atoms
Stratospheric ozone depletion is a _________ problem: -
Answer-Global
The rule of thumb for refilling approved cylinders is a
maximum of _____ percent liquid? - Answer-80%
The time it takes to properly evacuate and dehydrate a
system prior to charging with refrigerant is determined by
the: - Answer-Total volume of the system
Amount of non-condensibles (moisture) in the system
Ambient Temperature
A system that fails to hold a vacuum after the evacuation
process: - Answer-May contain moisture
May have a leak
To recover refrigerant is to: - Answer-Remove refrigerant is
any condition from a system in either an active or passive
EPA Certification Exam Most Recent Exam 2026 Actual
Complete Real Verified Exam Questions And Correct
Answers (Verified Answers) Already Graded A+ /
Newest Exam!!!
The Gas in the stratosphere that protects us from
ultraviolet radiation is: - Answer-Ozone
Which refrigerant is a CFC? - Answer-R-12
Which refrigerant is an HCFC? - Answer-R-123 & R-22
Which refrigerant is an HFC? - Answer-R-134a
Which refrigerant contains no chlorine? - Answer-R-134a
The Molecule found in the stratosphere that indicates
stratospheric ozone depletion is taking place is: - Answer-
Chlorine monoxide
,2|Page
The following actions would violate the clean air act
(CAA): - Answer-Knowingly releasing Class 1 Class 2
substances
failing to keep or falsifying required records
failing to tech the required evacuation levels before
opening a systems to the atmosphere for service
One time (disposable) refrigerant cylinders are used for: -
Answer-Virgin refrigerant
Which Refrigerants contain the most chlorine? - Answer-
CFC's
As of what date did it become unlawful to intentionally
release Class 1 and Class 2 refrigerants to the
atmosphere? - Answer-July 1, 1992
Which Refrigerants have the lowest zone depletion
potential? - Answer-HFC's
The molecule found in CFC's and HCHC's refrigerants that
destroys the ozone in the stratosphere is: - Answer-
Chlorine
, 3|Page
Stratospheric ozone consists of: - Answer-Three oxygen
atoms
Stratospheric ozone depletion is a _________ problem: -
Answer-Global
The rule of thumb for refilling approved cylinders is a
maximum of _____ percent liquid? - Answer-80%
The time it takes to properly evacuate and dehydrate a
system prior to charging with refrigerant is determined by
the: - Answer-Total volume of the system
Amount of non-condensibles (moisture) in the system
Ambient Temperature
A system that fails to hold a vacuum after the evacuation
process: - Answer-May contain moisture
May have a leak
To recover refrigerant is to: - Answer-Remove refrigerant is
any condition from a system in either an active or passive
