EPA Certification Exam Questions and Answers
(Verified Answers) (Latest Update 2026)
UPDATE!!
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Practice questions for this set
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Total volume of the system
Amount of non-condensibles (moisture) in the system
Ambient Temperature
Choose an answer
The time it takes to properly
Which Refrigerants contain the evacuate and dehydrate a system
1 2
most chlorine? prior to charging with refrigerant is
determined by the:
The following actions would violate
3 4 Stratospheric ozone consists of:
the clean air act (CAA):
Don't know?
, Terms in this set (100)
Which Refrigerants contain the CFC's
most chlorine?
As of what date did it become July 1, 1992
unlawful to intentionally release
Class 1 and Class 2 refrigerants to
the atmosphere?
Which Refrigerants have the lowest HFC's
zone depletion potential?
The molecule found in CFC's and Chlorine
HCHC's refrigerants that destroys
the ozone in the stratosphere is:
Stratospheric ozone consists of: Three oxygen atoms
Stratospheric ozone depletion is a Global
_________ problem:
The Gas in the stratosphere that Ozone
protects us from ultraviolet
radiation is:
Which refrigerant is a CFC? R-12
Which refrigerant is an HCFC? R-123 & R-22
Which refrigerant is an HFC? R-134a
Which refrigerant contains no R-134a
chlorine?
(Verified Answers) (Latest Update 2026)
UPDATE!!
Save
Practice questions for this set
Learn 1 /7 Study with Learn
Total volume of the system
Amount of non-condensibles (moisture) in the system
Ambient Temperature
Choose an answer
The time it takes to properly
Which Refrigerants contain the evacuate and dehydrate a system
1 2
most chlorine? prior to charging with refrigerant is
determined by the:
The following actions would violate
3 4 Stratospheric ozone consists of:
the clean air act (CAA):
Don't know?
, Terms in this set (100)
Which Refrigerants contain the CFC's
most chlorine?
As of what date did it become July 1, 1992
unlawful to intentionally release
Class 1 and Class 2 refrigerants to
the atmosphere?
Which Refrigerants have the lowest HFC's
zone depletion potential?
The molecule found in CFC's and Chlorine
HCHC's refrigerants that destroys
the ozone in the stratosphere is:
Stratospheric ozone consists of: Three oxygen atoms
Stratospheric ozone depletion is a Global
_________ problem:
The Gas in the stratosphere that Ozone
protects us from ultraviolet
radiation is:
Which refrigerant is a CFC? R-12
Which refrigerant is an HCFC? R-123 & R-22
Which refrigerant is an HFC? R-134a
Which refrigerant contains no R-134a
chlorine?
