EPA 608 Core Universal
Study online at https://quizlet.com/_6wfd3a
1. Refrigeration technicians who violate the D) all of the above.
Clean Air Act can:
2. After 1995, any supplies of CFC refrigerant A) recovery and recycling.
to service existing units in the USA can only
come from:
3. Refrigerant that is recovered can be re- A) the same system or other systems
turned to: owned by the same person without restric-
tion.
4. Refrigerant can not be called "reclaimed" B) has been chemically analyzed and the
unless it: refrigerant meets the ARI-700 purity stan-
dard.
5. The EPA can require a technician to demon- A) revocation of the technician's certifica-
strate their ability to perform proper pro- tion.
cedures for recovering and/or recycling re-
frigerant. Failure to demonstrate compe-
tency can result in:
6. What characteristic(s) of CFCs make them A) Refrigerants that contain chlorine but
more likely to reach the stratosphere than not hydrogen are so stable that they do not
most other compounds containing chlo- break down in the lower atmosphere after
rine? being released. The chlorine or bromine
reacts with ozone, causing it to change
back to oxygen, thus destroying the ozone
layer.
7. A system is considered dehydrated when: A) the vacuum indicator shows you have
reached and held the required finished
vacuum.
, EPA 608 Core Universal
Study online at https://quizlet.com/_6wfd3a
8. Disposable refrigerant containers are used C) virgin
for _______ refrigerant.
9. Which refrigerant is an HCFC? A) R-124
10. What statement is true about an azeotropic D) It is a mixture that acts like a single-com-
refrigerant mixture? ponent refrigerant over its entire range.
11. Chlorofluorocarbons (CFCs) and hy- D) They must be recovered before opening
drochlorofluorocarbons (HCFCs) have or disposing of appliances.
which of the following in common?
12. To scrap a disposable cylinder, the internal A) 0 psig.
cylinder pressure should be reduced to at
least:
13. Manifold gauge sets are often color coded, A) red.
when this is done, the high pressure gauge
is color coded:
14. In general, blended refrigerants should be C) as a liquid.
charged:
15. Blended refrigerants leak from a system: B) in uneven amounts due to different va-
por pressures.
16. Which of the following gases help form the D) Stratospheric Ozone
earth's protective shield?
17. In a refrigeration system, the device that C) compressor.
changes a low pressure vapor to a high
pressure vapor is the:
18. D) All of the above.
, EPA 608 Core Universal
Study online at https://quizlet.com/_6wfd3a
. Data shows that chlorine in the stratos-
phere comes mainly from CFCs rather than
from natural sources such as volcanoes be-
cause:
19. Which atom of the CFC molecule causes B) chlorine
ozone depletion?
20. The ozone layer protects the earth from: C) ultraviolet radiation from the sun.
21. When using with any solvent, cleaner, C) material safety data sheets.
chemical or refrigerant, you should review:
22. An award of up to what amount may be B) $10,000
paid to a person supplying information
that leads to a penalty against a technician
who is intentionally venting?
23. The Montreal Protocol is: D) a treaty among nations that controls
production of CFC's and HCFC's.
24. Which refrigerant is an HCFC? A) R-123
25. What is one of the most serious results of C) increases in human skin cancer
damage to the ozone layer?
26. Of the refrigerants listed below, which has A) R-22
the lowest ozone depletion potential?
27. To determine the maximum allowable C) the design pressure on the equipment
pressure to use when checking a system, nameplate
check:
28. Ozone depletion potential, or "ODP," is:
Study online at https://quizlet.com/_6wfd3a
1. Refrigeration technicians who violate the D) all of the above.
Clean Air Act can:
2. After 1995, any supplies of CFC refrigerant A) recovery and recycling.
to service existing units in the USA can only
come from:
3. Refrigerant that is recovered can be re- A) the same system or other systems
turned to: owned by the same person without restric-
tion.
4. Refrigerant can not be called "reclaimed" B) has been chemically analyzed and the
unless it: refrigerant meets the ARI-700 purity stan-
dard.
5. The EPA can require a technician to demon- A) revocation of the technician's certifica-
strate their ability to perform proper pro- tion.
cedures for recovering and/or recycling re-
frigerant. Failure to demonstrate compe-
tency can result in:
6. What characteristic(s) of CFCs make them A) Refrigerants that contain chlorine but
more likely to reach the stratosphere than not hydrogen are so stable that they do not
most other compounds containing chlo- break down in the lower atmosphere after
rine? being released. The chlorine or bromine
reacts with ozone, causing it to change
back to oxygen, thus destroying the ozone
layer.
7. A system is considered dehydrated when: A) the vacuum indicator shows you have
reached and held the required finished
vacuum.
, EPA 608 Core Universal
Study online at https://quizlet.com/_6wfd3a
8. Disposable refrigerant containers are used C) virgin
for _______ refrigerant.
9. Which refrigerant is an HCFC? A) R-124
10. What statement is true about an azeotropic D) It is a mixture that acts like a single-com-
refrigerant mixture? ponent refrigerant over its entire range.
11. Chlorofluorocarbons (CFCs) and hy- D) They must be recovered before opening
drochlorofluorocarbons (HCFCs) have or disposing of appliances.
which of the following in common?
12. To scrap a disposable cylinder, the internal A) 0 psig.
cylinder pressure should be reduced to at
least:
13. Manifold gauge sets are often color coded, A) red.
when this is done, the high pressure gauge
is color coded:
14. In general, blended refrigerants should be C) as a liquid.
charged:
15. Blended refrigerants leak from a system: B) in uneven amounts due to different va-
por pressures.
16. Which of the following gases help form the D) Stratospheric Ozone
earth's protective shield?
17. In a refrigeration system, the device that C) compressor.
changes a low pressure vapor to a high
pressure vapor is the:
18. D) All of the above.
, EPA 608 Core Universal
Study online at https://quizlet.com/_6wfd3a
. Data shows that chlorine in the stratos-
phere comes mainly from CFCs rather than
from natural sources such as volcanoes be-
cause:
19. Which atom of the CFC molecule causes B) chlorine
ozone depletion?
20. The ozone layer protects the earth from: C) ultraviolet radiation from the sun.
21. When using with any solvent, cleaner, C) material safety data sheets.
chemical or refrigerant, you should review:
22. An award of up to what amount may be B) $10,000
paid to a person supplying information
that leads to a penalty against a technician
who is intentionally venting?
23. The Montreal Protocol is: D) a treaty among nations that controls
production of CFC's and HCFC's.
24. Which refrigerant is an HCFC? A) R-123
25. What is one of the most serious results of C) increases in human skin cancer
damage to the ozone layer?
26. Of the refrigerants listed below, which has A) R-22
the lowest ozone depletion potential?
27. To determine the maximum allowable C) the design pressure on the equipment
pressure to use when checking a system, nameplate
check:
28. Ozone depletion potential, or "ODP," is:
