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