EPA Certification Exam questions and answers
rated A+ passed
1. Which Refrigerants contain the most CFC's
chlorine?
2. As of what date did it become July 1, 1992
un- lawful to intentionally
release Class 1 and Class 2
refrigerants to the at-
mosphere?
HFC's
3. Which Refrigerants have the
lowest zone depletion
potential? Chlorine
4. The molecule found in CFC's
and HCHC's refrigerants that
destroys the ozone in the
stratosphere is:
5. Stratospheric ozone consists of: Three oxygen atoms
6. Stratospheric ozone depletion Global
is a
problem:
7.
The Gas in the stratosphere that
pro- Ozone
tects us from ultraviolet radiation is:
8. Which refrigerant is a CFC? R-12
9. Which refrigerant is an HCFC? R-123 & R-22
10. Which refrigerant is an HFC? R-134a
1/
23
,EPA Certification Exam questions and answers
rated A+ passed
11. Which refrigerant contains no R-134a
chlo- rine?
12. Chlorine monoxide
2/
23
, EPA Certification Exam questions and answers
rated A+ passed
The Molecule found in the stratos-
phere that indicates
stratospheric ozone
depletion is taking place is:
Knowingly releasing Class 1 Class 2 substances
13. The following actions would failing to keep or falsifying required
violate the clean air act (CAA): records
failing to tech the required evacuation levels before
opening a systems to the atmosphere for
service
14. One time (disposable)
refrigerant cylinders are Virgin refrigerant
used for:
15. The rule of thumb for 80%
refilling ap- proved cylinders
is a maximum of
percent liquid?
Total volume of the system
16. The time it takes to properly Amount of non-condensibles (moisture) in the sys-
evac- uate and dehydrate a
system prior
to charging with refrigerant is deter- tem
mined by the: Ambient Temperature
17. A system that fails to hold a vacuum May contain moisture
after the evacuation process: May have a leak
18. To recover refrigerant is to: Remove refrigerant is any condition from a
system
in either an active or passive manner, and
store it in an external container without
3/
23
rated A+ passed
1. Which Refrigerants contain the most CFC's
chlorine?
2. As of what date did it become July 1, 1992
un- lawful to intentionally
release Class 1 and Class 2
refrigerants to the at-
mosphere?
HFC's
3. Which Refrigerants have the
lowest zone depletion
potential? Chlorine
4. The molecule found in CFC's
and HCHC's refrigerants that
destroys the ozone in the
stratosphere is:
5. Stratospheric ozone consists of: Three oxygen atoms
6. Stratospheric ozone depletion Global
is a
problem:
7.
The Gas in the stratosphere that
pro- Ozone
tects us from ultraviolet radiation is:
8. Which refrigerant is a CFC? R-12
9. Which refrigerant is an HCFC? R-123 & R-22
10. Which refrigerant is an HFC? R-134a
1/
23
,EPA Certification Exam questions and answers
rated A+ passed
11. Which refrigerant contains no R-134a
chlo- rine?
12. Chlorine monoxide
2/
23
, EPA Certification Exam questions and answers
rated A+ passed
The Molecule found in the stratos-
phere that indicates
stratospheric ozone
depletion is taking place is:
Knowingly releasing Class 1 Class 2 substances
13. The following actions would failing to keep or falsifying required
violate the clean air act (CAA): records
failing to tech the required evacuation levels before
opening a systems to the atmosphere for
service
14. One time (disposable)
refrigerant cylinders are Virgin refrigerant
used for:
15. The rule of thumb for 80%
refilling ap- proved cylinders
is a maximum of
percent liquid?
Total volume of the system
16. The time it takes to properly Amount of non-condensibles (moisture) in the sys-
evac- uate and dehydrate a
system prior
to charging with refrigerant is deter- tem
mined by the: Ambient Temperature
17. A system that fails to hold a vacuum May contain moisture
after the evacuation process: May have a leak
18. To recover refrigerant is to: Remove refrigerant is any condition from a
system
in either an active or passive manner, and
store it in an external container without
3/
23
