EPA 608 Core Study Guide Questions and
Answers
1. A "compound gauge":: Can only be used for low pressures - Has different unit scales
2. According to EPA regulations, when system flushing is required
following a compressor burnout, the following refrigerant must be used::
System flushing with refrigerants is illegal
3. A CFC contains:: Chlorine, fluorine, carbon
4. A CFC - 11 cylinder is:: Orange
5. An HFC-134a cylinder is:: Sky blue or pale blue
6. A chlorine atom will combine with an ozone molecule to form:: Chlorine
Monoxide
7. An HCFC contains:: Hydrogen, chlorine, fluorine, carbon
8. An HFC contains the following chemicals:: Hydrogen, fluorine, carbon
9. Alkylbenzene lubricants are associated with:: Ternary blends
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,10. All appliances currently manufactured or imported into the United
States must be equipped with:: A service aperture or device to enable the removal of
refrigerant
11. A recovery cylinder is:: Gray with yellow top
12. A refillable cylinder may be filled to a maximum of:: 80% of its liquid
weight
13. A refrigerant heated above its boiling point is:: Superheated
14. A refrigeration system should not be
recovered unless a gauge indicates a minimum pressure of Psig within
the system.: 15 Psig
15. Any vapor refrigerant vented from the top of a graduated
charging cylinder while filling the charging cylinder with liquid:: Must be
recovered
16. As of January 1st, 1996:: It is illegal to import or manufacture CFCs in the United States
17. As of November 15, 1993, all recovery equipment must:: Be fitted with low
loss fittings
-Be certified by an EPA approved agency
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, 18. As of November 15, 1993, recovery machines:: Must be certified to meet EPA
standards
19. A system may be said to be properly dehydrated when:: The vacuum
indicator has
reached and held the required vacuum for a period of time
20. A technician who violates provisions of the CAA:: May be fined - May lose
certification - May be required to appear in court
21. Refrigerant
cylinders should be transported in a position::
Ver- tical
22. An award of may be paid to a person
providing information which leads
to a penalty against a technician for violating CAA regulations.: $10,000
23. Before using an empty recovery cylinder, you should:: Evacuate the
cylinder
24. Before using a recovery unit, you should:: Check service valves positions - Check
oil level
Evacuate
25. Blended refrigerants leak from a system:: In uneven amounts due to ditterent
vapor pressures
26. CAA is the acronym for:: Clean Air Act
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Answers
1. A "compound gauge":: Can only be used for low pressures - Has different unit scales
2. According to EPA regulations, when system flushing is required
following a compressor burnout, the following refrigerant must be used::
System flushing with refrigerants is illegal
3. A CFC contains:: Chlorine, fluorine, carbon
4. A CFC - 11 cylinder is:: Orange
5. An HFC-134a cylinder is:: Sky blue or pale blue
6. A chlorine atom will combine with an ozone molecule to form:: Chlorine
Monoxide
7. An HCFC contains:: Hydrogen, chlorine, fluorine, carbon
8. An HFC contains the following chemicals:: Hydrogen, fluorine, carbon
9. Alkylbenzene lubricants are associated with:: Ternary blends
1/
19
,10. All appliances currently manufactured or imported into the United
States must be equipped with:: A service aperture or device to enable the removal of
refrigerant
11. A recovery cylinder is:: Gray with yellow top
12. A refillable cylinder may be filled to a maximum of:: 80% of its liquid
weight
13. A refrigerant heated above its boiling point is:: Superheated
14. A refrigeration system should not be
recovered unless a gauge indicates a minimum pressure of Psig within
the system.: 15 Psig
15. Any vapor refrigerant vented from the top of a graduated
charging cylinder while filling the charging cylinder with liquid:: Must be
recovered
16. As of January 1st, 1996:: It is illegal to import or manufacture CFCs in the United States
17. As of November 15, 1993, all recovery equipment must:: Be fitted with low
loss fittings
-Be certified by an EPA approved agency
2/
19
, 18. As of November 15, 1993, recovery machines:: Must be certified to meet EPA
standards
19. A system may be said to be properly dehydrated when:: The vacuum
indicator has
reached and held the required vacuum for a period of time
20. A technician who violates provisions of the CAA:: May be fined - May lose
certification - May be required to appear in court
21. Refrigerant
cylinders should be transported in a position::
Ver- tical
22. An award of may be paid to a person
providing information which leads
to a penalty against a technician for violating CAA regulations.: $10,000
23. Before using an empty recovery cylinder, you should:: Evacuate the
cylinder
24. Before using a recovery unit, you should:: Check service valves positions - Check
oil level
Evacuate
25. Blended refrigerants leak from a system:: In uneven amounts due to ditterent
vapor pressures
26. CAA is the acronym for:: Clean Air Act
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19
