EPA 609 TECHNICIAN CERTIFICATION EXAM 2024
ACTUAL EXAM COMPLETE ACCURATE EXAM
QUESTIONS WITH DETAILED VERIFIED ANSWERS (100%
CORRECT ANSWERS) /ALREADY GRADED A+
1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant - ANSWER:
FALSE
2. For determining the Ozone Depletion Potential __________ having been assigned
a factor of 1 - ANSWER: CFC-11
3. Ozone layer absorbs and scatters __________ form the sun - ANSWER: Ultraviolet
light
4. T/F R-134 is a chlorine-free refrigerant - ANSWER: TRUE
5. a refillable refrigerant cylinder must not be filled above _________ of its full
capacity - ANSWER: 80%
6. T/F Ester-based synthetic oils can be mixed with oils - 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 - ANSWER:
$10,000
8. MVAC systems being disposed must be evacuated to _____________ of mercury
before being scrapped - ANSWER: 4 INCHES
9. Since _______________ it is no longer legal for CFCs to be manufactured or
imported into the United States - ANSWER: JAN 1ST, 1996
10. Since ___________________ it is illegal to vent substitutes for CFC and HCFC
refrigerants - ANSWER: NOV 15, 1995
11. Each chlorine ion are able to destroy ___________________ ozone molecules -
ANSWER: 100,000
12. Lifetime of CFSs is believed to range from ________ years - ANSWER: 20 TO 100
13. Ozone molecules consists of _______________ atoms of oxygen - ANSWER:
THREE
14.Non-condensables in a refrigeration system result in a ________________
discharge pressure - ANSWER: higher
, 15. T/F Ozone depletion increases global warming - ANSWER: TRUE
16. T/F If a technician is already trained and certified to handle HFC-134a - ANSWER:
FALSE
17.The Clean Air Act (CAA) of _____________ directs EPA to establish requirements -
ANSWER: 1990
18. Over the road refrigeration units and R-22 (HCFC) air conditioning - ANSWER:
such as that found in buses, also require Section ____________ certification, 608
19. Moisture level in Recycled R-12(CFC-12) that has been directly removed from -
ANSWER: and intended to be returned to, a mobile air-conditioning system cannot
exceed ________________ PPM by weight, 15
20. At high temperature CFC-12 can decompose to form _____________ - ANSWER:
hydrochloric or hydrofluoric acid
21. T/F Refrigerants are light than air - ANSWER: FALSE
22. T/F Every refrigerant cylinder need not be protected by some type of pressure
relief device - ANSWER: FALSE
23. Stratosphere layer consists of about ____________ of the available Ozone: -
ANSWER: 90%
24.CFC are highly reactive in _______________ of atmosphere - ANSWER: lower
levels
25.HFC-134a is the refrigerant that replaced _____________ in automotive air
conditioning systems - ANSWER: R-12
26. R-152 is a chemical compound of which of the following: - ANSWER: HYDROGEN
AND FLUORINE
27. T/F R-134a a refrigerant does pose a cancer or birth defect hazard - ANSWER:
FALSE
28. T/F MVAC systems need not be evacuated to a vacuum before servicing -
ANSWER: FALSE
29. Disposable Refrigerant Tanks under _______________ must be evacuated before
being scrapped - ANSWER: 20 POUNDS
30. Supplies of CFC refrigerant for equipment servicing can ONLY come from which
of the following: - ANSWER: RECOVERY, RECYCLING, RECLAMATION
ACTUAL EXAM COMPLETE ACCURATE EXAM
QUESTIONS WITH DETAILED VERIFIED ANSWERS (100%
CORRECT ANSWERS) /ALREADY GRADED A+
1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant - ANSWER:
FALSE
2. For determining the Ozone Depletion Potential __________ having been assigned
a factor of 1 - ANSWER: CFC-11
3. Ozone layer absorbs and scatters __________ form the sun - ANSWER: Ultraviolet
light
4. T/F R-134 is a chlorine-free refrigerant - ANSWER: TRUE
5. a refillable refrigerant cylinder must not be filled above _________ of its full
capacity - ANSWER: 80%
6. T/F Ester-based synthetic oils can be mixed with oils - 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 - ANSWER:
$10,000
8. MVAC systems being disposed must be evacuated to _____________ of mercury
before being scrapped - ANSWER: 4 INCHES
9. Since _______________ it is no longer legal for CFCs to be manufactured or
imported into the United States - ANSWER: JAN 1ST, 1996
10. Since ___________________ it is illegal to vent substitutes for CFC and HCFC
refrigerants - ANSWER: NOV 15, 1995
11. Each chlorine ion are able to destroy ___________________ ozone molecules -
ANSWER: 100,000
12. Lifetime of CFSs is believed to range from ________ years - ANSWER: 20 TO 100
13. Ozone molecules consists of _______________ atoms of oxygen - ANSWER:
THREE
14.Non-condensables in a refrigeration system result in a ________________
discharge pressure - ANSWER: higher
, 15. T/F Ozone depletion increases global warming - ANSWER: TRUE
16. T/F If a technician is already trained and certified to handle HFC-134a - ANSWER:
FALSE
17.The Clean Air Act (CAA) of _____________ directs EPA to establish requirements -
ANSWER: 1990
18. Over the road refrigeration units and R-22 (HCFC) air conditioning - ANSWER:
such as that found in buses, also require Section ____________ certification, 608
19. Moisture level in Recycled R-12(CFC-12) that has been directly removed from -
ANSWER: and intended to be returned to, a mobile air-conditioning system cannot
exceed ________________ PPM by weight, 15
20. At high temperature CFC-12 can decompose to form _____________ - ANSWER:
hydrochloric or hydrofluoric acid
21. T/F Refrigerants are light than air - ANSWER: FALSE
22. T/F Every refrigerant cylinder need not be protected by some type of pressure
relief device - ANSWER: FALSE
23. Stratosphere layer consists of about ____________ of the available Ozone: -
ANSWER: 90%
24.CFC are highly reactive in _______________ of atmosphere - ANSWER: lower
levels
25.HFC-134a is the refrigerant that replaced _____________ in automotive air
conditioning systems - ANSWER: R-12
26. R-152 is a chemical compound of which of the following: - ANSWER: HYDROGEN
AND FLUORINE
27. T/F R-134a a refrigerant does pose a cancer or birth defect hazard - ANSWER:
FALSE
28. T/F MVAC systems need not be evacuated to a vacuum before servicing -
ANSWER: FALSE
29. Disposable Refrigerant Tanks under _______________ must be evacuated before
being scrapped - ANSWER: 20 POUNDS
30. Supplies of CFC refrigerant for equipment servicing can ONLY come from which
of the following: - ANSWER: RECOVERY, RECYCLING, RECLAMATION
