EPA 609 Practice
Questions & 100% Correct Answers (Verified) | Latest
Update | Grade A+
1. R-134a is a chlorine-free refrigerant: True
2. Ozone layer absorbs and scatters from the sun: ultraviolet light
3. For determining the Ozone Depletion Potential having been as-
signed a factor of 1: CFC-11
4. A refillable refrigerant cylinder must not be filled above of its full
capacity.: 80%
5. Ozone at ground level and at Stratosphere is a harmful pollutant: False
6. Each chlorine ion can able to destroy ozone molecules: 100,000
7. Lifetime of CFCs is believed to range from _____ years: 20-100
8. 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
9. Ester-based synthetic oils can be mixed with other oils: False
10. Since , it is illegal to vent substitutes for CFC and HCFC refrigerants-
, : Nov 15, 1995
11. MVAC systems being disposed must be evacuated to of mercury
before being scrapped: 4 inches
12. Since , it is no longer legal for CFCs to be manufactured or
imported into the United States: Jan 1, 1996
13. The Clean Air Act (CAA) of directs EPA to establish requirements
to prevent the release of ozone depleting substances.: 1990
14. At high temperatures, CFC-12 can decompose to form : hydrochlo-
ric and hydrofluoric acid
15. Ozone molecule consists of atoms of oxygen: three
16. CFCs are highly reactive in of atmosphere: lower
17. Non-condensables in a refrigeration system result in a discharge
pressure: higher
18. 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
19. Over the road refrigeration units and R-22 (HCFC) air conditioning, such
as that found in buses, also requires Section _____ certification: 608
20. Ozone depletion increases global warming: True
21. Refrigerants are lighter than the air:: False
22. Stratosphere layer consists of about of the available Ozone:: 90%
23. Every refrigerant cylinder need not be protected by some type of pressure
relief device:: False
24. If a technician is already trained and certified to handle CFC-12, he has to
be re-certified to handle HFC-134a: False
Questions & 100% Correct Answers (Verified) | Latest
Update | Grade A+
1. R-134a is a chlorine-free refrigerant: True
2. Ozone layer absorbs and scatters from the sun: ultraviolet light
3. For determining the Ozone Depletion Potential having been as-
signed a factor of 1: CFC-11
4. A refillable refrigerant cylinder must not be filled above of its full
capacity.: 80%
5. Ozone at ground level and at Stratosphere is a harmful pollutant: False
6. Each chlorine ion can able to destroy ozone molecules: 100,000
7. Lifetime of CFCs is believed to range from _____ years: 20-100
8. 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
9. Ester-based synthetic oils can be mixed with other oils: False
10. Since , it is illegal to vent substitutes for CFC and HCFC refrigerants-
, : Nov 15, 1995
11. MVAC systems being disposed must be evacuated to of mercury
before being scrapped: 4 inches
12. Since , it is no longer legal for CFCs to be manufactured or
imported into the United States: Jan 1, 1996
13. The Clean Air Act (CAA) of directs EPA to establish requirements
to prevent the release of ozone depleting substances.: 1990
14. At high temperatures, CFC-12 can decompose to form : hydrochlo-
ric and hydrofluoric acid
15. Ozone molecule consists of atoms of oxygen: three
16. CFCs are highly reactive in of atmosphere: lower
17. Non-condensables in a refrigeration system result in a discharge
pressure: higher
18. 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
19. Over the road refrigeration units and R-22 (HCFC) air conditioning, such
as that found in buses, also requires Section _____ certification: 608
20. Ozone depletion increases global warming: True
21. Refrigerants are lighter than the air:: False
22. Stratosphere layer consists of about of the available Ozone:: 90%
23. Every refrigerant cylinder need not be protected by some type of pressure
relief device:: False
24. If a technician is already trained and certified to handle CFC-12, he has to
be re-certified to handle HFC-134a: False
