EPA 609 Technician Certification Questions
with Correct 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%
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
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
18. Over the road refrigeration units and R-22 (HCFC) air conditioning CORRECT 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 CORRECT
ANSWER-and intended to be returned to, a mobile air-conditioning system cannot exceed
PPM by weight, 15
with Correct 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%
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
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
18. Over the road refrigeration units and R-22 (HCFC) air conditioning CORRECT 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 CORRECT
ANSWER-and intended to be returned to, a mobile air-conditioning system cannot exceed
PPM by weight, 15
