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EPA 609 TECHNICIAN CERTIFICATION
EXAM 2025 BRAND NEW ACTUAL EXAM
WITH ANSWERS.
1. T/F Ozone at ground level ans at Stratosphere is a harmful
pollutant - correct answer -FALSE
2. For determining the Ozone Depletion Potential __________
having been assigned a factor of 1 - correct answer -CFC-11
3. Ozone layer absorbs and scatters __________ form the sun -
correct answer -Ultraviolet light
4. T/F R-134 is a chlorine-free refrigerant - correct answer -TRUE
5. a refillable refrigerant cylinder must not be filled above
_________ of its full capacity - correct answer -80%
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6. T/F Ester-based synthetic oils can be mixed with oils - correct
answer -FALSE
7. An award of up to ___________ may be paid to a person
suppplying information that leads to a penalty against a technician
who is intentially venting - correct answer -$10,000
8. MVAC systems being disposed must be evacuated to
_____________ of mercury before being scrapped - correct
answer -4 INCHES
9. Since _______________ it is no longer legal for CFCs to be
manufactured or imported into the United States - correct answer
-JAN 1ST, 1996
10. Since ___________________ it is illegal to vent substitutes
for CFC and HCFC refrigerants - correct answer -NOV 15, 1995
11. Each chlorine ion are able to destroy ___________________
ozone molecules - correct answer -100,000
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12. Lifetime of CFSs is believed to range from ________ years -
correct answer -20 TO 100
13. Ozone molecules consists of _______________ atoms of
oxygen - correct answer -THREE
14.Non-condensables in a refrigeration system result in a
________________ discharge pressure - correct answer -higher
15. T/F Ozone depletion increases global warming - correct
answer -TRUE
16. T/F If a technician is already trained and certified to handle
HFC-134a - correct answer -FALSE
17.The Clean Air Act (CAA) of _____________ directs EPA to
establish requirements - correct answer -1990
EPA 609 TECHNICIAN CERTIFICATION
EXAM 2025 BRAND NEW ACTUAL EXAM
WITH ANSWERS.
1. T/F Ozone at ground level ans at Stratosphere is a harmful
pollutant - correct answer -FALSE
2. For determining the Ozone Depletion Potential __________
having been assigned a factor of 1 - correct answer -CFC-11
3. Ozone layer absorbs and scatters __________ form the sun -
correct answer -Ultraviolet light
4. T/F R-134 is a chlorine-free refrigerant - correct answer -TRUE
5. a refillable refrigerant cylinder must not be filled above
_________ of its full capacity - correct answer -80%
, Page | 2
6. T/F Ester-based synthetic oils can be mixed with oils - correct
answer -FALSE
7. An award of up to ___________ may be paid to a person
suppplying information that leads to a penalty against a technician
who is intentially venting - correct answer -$10,000
8. MVAC systems being disposed must be evacuated to
_____________ of mercury before being scrapped - correct
answer -4 INCHES
9. Since _______________ it is no longer legal for CFCs to be
manufactured or imported into the United States - correct answer
-JAN 1ST, 1996
10. Since ___________________ it is illegal to vent substitutes
for CFC and HCFC refrigerants - correct answer -NOV 15, 1995
11. Each chlorine ion are able to destroy ___________________
ozone molecules - correct answer -100,000
, Page | 3
12. Lifetime of CFSs is believed to range from ________ years -
correct answer -20 TO 100
13. Ozone molecules consists of _______________ atoms of
oxygen - correct answer -THREE
14.Non-condensables in a refrigeration system result in a
________________ discharge pressure - correct answer -higher
15. T/F Ozone depletion increases global warming - correct
answer -TRUE
16. T/F If a technician is already trained and certified to handle
HFC-134a - correct answer -FALSE
17.The Clean Air Act (CAA) of _____________ directs EPA to
establish requirements - correct answer -1990
