8/11/25, 5:50 AM EPA Certification Exam / Expert Strategies, Review of Key Quizzes, and Practice Questions for Guaranteed Success / Newest 2025…
EPA Certification Exam / Expert Strategies, Review of Key Quizzes,
and Practice Questions for Guaranteed Success / Newest
2025/2026.
Which Refrigerants contain CFC's
the most chlorine?
As of what date did it July 1, 1992
become unlawful to
intentionally release Class
1 and Class 2 refrigerants
to the atmosphere?
Which Refrigerants have the HFC's
lowest zone depletion
potential?
The molecule found in Chlorine
CFC's and HCHC's
refrigerants that destroys
the ozone in the
stratosphere is:
Stratospheric ozone consists Three oxygen atoms
of:
Stratospheric ozone depletion is Global
a _________ problem:
The Gas in the stratosphere Ozone
that 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?
… 1/1
2
, 8/11/25, 5:50 AM EPA Certification Exam / Expert Strategies, Review of Key Quizzes, and Practice Questions for Guaranteed Success / Newest 2025…
The Molecule found in the Chlorine monoxide
stratosphere that
indicates stratospheric
ozone
depletion is taking place is:
Knowingly releasing Class 1 Class
The following actions would 2 substances failing to keep or
violate the clean air act falsifying required records
(CAA): failing to tech the required evacuation levels before
opening a systems to the atmosphere for service
One time (disposable) Virgin refrigerant
refrigerant cylinders are
used for:
The rule of thumb for 80%
refilling approved
cylinders is a maximum
of
_________________ perce
nt
liquid?
The time it takes to Total volume of the system
properly evacuate and Amount of non-condensibles
dehydrate a system prior to (moisture) in the system Ambient
charging with refrigerant is Temperature
determined by the:
A system that fails to hold a May contain
vacuum after the moisture May
evacuation process: have a leak
Remove refrigerant is any condition from a system in
To recover refrigerant is to: either an active or passive manner, and store it in
an external container without necessarily testing or
processing.
The process that reduces Recycling
contaminate in used
refrigerant by oil
separation with
single and multiple passes
through devices such as
… 2/1
2
EPA Certification Exam / Expert Strategies, Review of Key Quizzes,
and Practice Questions for Guaranteed Success / Newest
2025/2026.
Which Refrigerants contain CFC's
the most chlorine?
As of what date did it July 1, 1992
become unlawful to
intentionally release Class
1 and Class 2 refrigerants
to the atmosphere?
Which Refrigerants have the HFC's
lowest zone depletion
potential?
The molecule found in Chlorine
CFC's and HCHC's
refrigerants that destroys
the ozone in the
stratosphere is:
Stratospheric ozone consists Three oxygen atoms
of:
Stratospheric ozone depletion is Global
a _________ problem:
The Gas in the stratosphere Ozone
that 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?
… 1/1
2
, 8/11/25, 5:50 AM EPA Certification Exam / Expert Strategies, Review of Key Quizzes, and Practice Questions for Guaranteed Success / Newest 2025…
The Molecule found in the Chlorine monoxide
stratosphere that
indicates stratospheric
ozone
depletion is taking place is:
Knowingly releasing Class 1 Class
The following actions would 2 substances failing to keep or
violate the clean air act falsifying required records
(CAA): failing to tech the required evacuation levels before
opening a systems to the atmosphere for service
One time (disposable) Virgin refrigerant
refrigerant cylinders are
used for:
The rule of thumb for 80%
refilling approved
cylinders is a maximum
of
_________________ perce
nt
liquid?
The time it takes to Total volume of the system
properly evacuate and Amount of non-condensibles
dehydrate a system prior to (moisture) in the system Ambient
charging with refrigerant is Temperature
determined by the:
A system that fails to hold a May contain
vacuum after the moisture May
evacuation process: have a leak
Remove refrigerant is any condition from a system in
To recover refrigerant is to: either an active or passive manner, and store it in
an external container without necessarily testing or
processing.
The process that reduces Recycling
contaminate in used
refrigerant by oil
separation with
single and multiple passes
through devices such as
… 2/1
2
