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