EPA Certification Exam Question And Answers (latest 2023)
EPA Certification Exam Question And
Answers (latest 2023)
Which Refrigerants contain the most chlorine? – Correct
Answer ✅CFC’s
As of what date did it become unlawful to intentionally
release Class 1 and Class 2 refrigerants to the
atmosphere? – Correct Answer ✅July 1, 1992
Which Refrigerants have the lowest zone depletion
potential? – Correct Answer ✅HFC’s
The molecule found in CFC’s and HCHC’s refrigerants that
destroys the ozone in the stratosphere is: – Correct
Answer ✅Chlorine
Stratospheric ozone consists of: – Correct Answer ✅Three
oxygen atoms
Stratospheric ozone depletion is a _ problem: –
Correct Answer ✅Global
The Gas in the stratosphere that protects us from
ultraviolet radiation is: – Correct Answer ✅Ozone
Which refrigerant is a CFC? – Correct Answer ✅R-12
EPA Certification Exam Question And
Answers (latest 2023)
Which refrigerant is an HCFC? – Correct Answer ✅R-123 &
R-22
Which refrigerant is an HFC? – Correct Answer ✅R-134a
Which refrigerant contains no chlorine? – Correct Answer
✅R-134a
The Molecule found in the stratosphere that indicates
stratospheric ozone depletion is taking place is: – Correct
Answer ✅Chlorine monoxide
The following actions would violate the clean air act
(CAA): – Correct 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: –
Correct Answer ✅Virgin refrigerant
EPA Certification Exam Question And
Answers (latest 2023)
The rule of thumb for refilling approved cylinders is a
maximum of _ percent liquid? – Correct Answer ✅80%
The time it takes to properly evacuate and dehydrate a
system prior to charging with refrigerant is determined by
the: – Correct 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: – Correct Answer ✅May contain moisture
May have a leak
To recover refrigerant is to: – Correct Answer ✅Remove
refrigerant is any condition from a system in either an
active or passive manner, and store it in an external
container without necessarily testing or processing.
The process that reduces contaminate in used refrigerant
by oil separation with single and multiple passes through
devices such as replaceable filter core driers, which
reduces moisture, acidity, and particulate matter is: –
Correct Answer ✅Recycling
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