EPA 608 Type I practice test

1. A university lab buys a research freezer that holds 3 pounds of refrigerant. How does the small appliance definition treat medical or industrial research refrigeration equipment?

• A. It names it as an example of a small appliance
• B. It excludes all research equipment from the small appliance category
• C. It treats it as industrial process refrigeration
• D. It treats it as an MVAC-like appliance

2. The definition of "appliance" covers devices that contain and use a class I or class II substance or substitute as a refrigerant. For which purposes must the device be used?

• A. Only industrial process purposes
• B. Only military purposes
• C. Household or commercial purposes
• D. Only motor vehicle purposes

3. According to its definition, when can a process stub be resealed?

• A. At the conclusion of repair or service
• B. Only before any refrigerant has been recovered
• C. Only when the appliance is disposed of
• D. Never; it is cut open and left that way

4. Under the definitions, what is a self-sealing valve?

• A. A valve affixed to a container of refrigerant that automatically seals when not dispensing refrigerant
• B. A length of tubing that is resealed after service
• C. The part of an appliance that holds the charge during service
• D. An opening built into an appliance for removing refrigerant at disposal

5. Under the definitions, what is a one-time expansion device?

• A. A valve on a refrigerant container that seals automatically
• B. An appliance that relies on the release of its refrigerant charge to the environment to provide a cooling effect
• C. A vessel within an appliance that holds the charge during service
• D. A length of tubing that gives access to the refrigerant in a small appliance

6. Recycled refrigerant is generally cleaned using oil separation and single or multiple passes through which kind of device?

• A. Distillation columns at a reclamation plant
• B. Replaceable core filter-driers
• C. Process stubs
• D. Self-sealing valves

7. The definition of small appliance lists room air conditioners as an example. Which kind of equipment does it name as included among room air conditioners?

• A. MVAC-like appliances
• B. Motor vehicle air conditioners
• C. Industrial process refrigeration
• D. Packaged terminal air heat pumps

8. The definition of small appliance names refrigerators and freezers designed for which uses?

• A. Home, commercial, or consumer use
• B. Home use only
• C. Commercial use only
• D. Military use only

9. A technician paints a household refrigerator. How does the technician definition classify painting the appliance?

• A. As opening the appliance
• B. As an activity not reasonably expected to violate the integrity of the refrigerant circuit
• C. As disposal of the appliance
• D. As work that only a Type I technician may perform

10. According to the technician definition, activities on an appliance that has been properly evacuated under 40 CFR 82.156 are not reasonably expected to release refrigerants unless the activity includes what?

• A. Painting the appliance
• B. Tightening nuts and bolts
• C. Rewiring an external electrical circuit
• D. Adding refrigerant to the appliance

11. During service, a person attaches hoses and gauges to a drinking water cooler that is a small appliance. How does the technician definition classify attaching hoses and gauges to an appliance?

• A. As an activity, like painting the appliance, that is not reasonably expected to violate the integrity of the refrigerant circuit
• B. As disposal of the appliance
• C. As opening the appliance
• D. As an activity reasonably expected to violate the integrity of the refrigerant circuit

12. A household refrigerator is charged with a hydrofluoroolefin refrigerant used in place of a class I or class II ozone-depleting substance. How do the definitions classify that refrigerant?

• A. As a class I substance
• B. As a class II substance
• C. As a recovery efficiency standard
• D. As a substitute

13. Small appliances normally must be equipped with a process stub before they can be sold. Which small appliances are excepted from that requirement?

• A. Those holding less than one pound of refrigerant
• B. Those sold for export
• C. Those containing only refrigerants exempted under 40 CFR 82.154(a)(1)
• D. Those sold only to certified technicians

14. How must recovery and/or recycling equipment be used?

• A. According to the equipment manufacturer's directions, unless they conflict with the regulation
• B. Only as described by the technician certification program
• C. Only as described by the appliance manufacturer
• D. However the technician prefers, as long as the recovery level is met

15. A shop alters the design of its certified small-appliance recovery machine in a way that affects its ability to meet the certification standards. Until the altered design is tested and shown to meet them, how is the machine treated?

• A. As certified, because the original model was certified
• B. As certified for 90 days
• C. As uncertified
• D. As certified if a Type I technician approves the change

16. A technician recovers refrigerant from a small appliance that contains a class I or class II refrigerant or a non-exempt substitute. Under 40 CFR 82.154(b)(2), the recovery and/or recycling equipment must be certified under 40 CFR 82.158 for what?

• A. Any one refrigerant, which then covers all others
• B. The refrigerant only, whatever the type of appliance
• C. MVACs only
• D. That type of refrigerant and appliance

17. Besides the certification statement, what must the label on certified small-appliance recovery equipment show?

• A. The technician's certification number
• B. The owner's name and address
• C. The date of manufacture and the serial number (if applicable)
• D. The date the equipment was last used

18. With small-appliance recovery equipment made on or after November 15, 1993, which fact decides whether the 90 percent or the 80 percent recovery level applies?

• A. The type of refrigerant in the appliance
• B. Whether the compressor in the appliance is functioning
• C. The age of the appliance
• D. The type of certification the technician holds

19. A technician uses a certified recovery machine built in 2019 on a dormitory refrigerator whose compressor has seized. The technician pulls the appliance down to four inches of mercury vacuum but cannot tell what percentage was recovered. Does this meet 40 CFR 82.156(b)?

• A. No, because only the 80 percent level can be used when the compressor has failed
• B. No, because the technician must document 90 percent recovery
• C. Yes, because evacuating to four inches of mercury vacuum is an alternative to the recovery percentages
• D. No, because small appliances must be evacuated to 0 psig

20. When do the small appliance recovery requirements in 40 CFR 82.156(b) apply?

• A. Only when the appliance is disposed of
• B. Before opening a small appliance or when disposing of a small appliance
• C. Only when the recovered refrigerant will be sold
• D. Only when the appliance's compressor has failed

21. Table 1 in 40 CFR 82.156 sets required evacuation levels in inches of mercury vacuum. How does it treat small appliances?

• A. It applies to small appliances that hold more than 2 pounds
• B. Small appliances use the very high-pressure row
• C. Small appliances use the low-pressure row
• D. It excludes them; small appliances follow the separate requirements in paragraph (b)

22. Before opening a small appliance, what kind of recovery equipment must you use?

• A. Any recovery machine, as long as the technician is certified
• B. A recovery and/or recycling machine certified under 40 CFR 82.158
• C. Uncertified equipment, if the refrigerant will later be reclaimed
• D. Uncertified equipment, if the appliance will be disposed of

23. A technician wants to use certified system-dependent recovery equipment on a household refrigerator that holds 6 ounces of refrigerant. What does the charge limit in 40 CFR 82.156(e) mean for this job?

• A. It may be used, because the limit only bars appliances with a full charge of more than 15 pounds
• B. It may be used only if the refrigerator's compressor is working
• C. System-dependent equipment may not be used on any small appliance
• D. Only a Universal technician may use it

24. Under 40 CFR 82.156(h), recovered refrigerant may in some cases be returned to an appliance without being recycled or reclaimed. Which appliances are left out of that allowance?

• A. Window air conditioners
• B. Small appliances
• C. Household refrigerators
• D. MVACs and MVAC-like appliances

25. Which refrigerant, when used in household refrigerators and freezers, is listed as exempt from the venting prohibition and the requirements of Subpart F?

• A. Isobutane (R-600a)
• B. CFC-12
• C. HFC-134a
• D. HCFC-22

26. Propane (R-290) is exempt from the venting prohibition and the requirements of Subpart F in certain end-uses. Which of these end-uses is on that list?

• A. Motor vehicle air conditioners
• B. Comfort-cooling chillers
• C. MVAC-like appliances
• D. Water coolers

27. A recovery machine made in 1992 and certified under 40 CFR 82.158 is used on a household freezer charged with HFC-134a whose compressor works. The technician will recover a set share of the charge rather than evacuate the freezer to four inches of mercury vacuum. How much of the refrigerant must be recovered under 40 CFR 82.156(b)?

• A. 70 percent, because the compressor in the appliance is functioning
• B. 50 percent, because the machine was made before November 15, 1993
• C. 80 percent of the refrigerant in the small appliance
• D. No set amount, because machines built before 1993 are exempt from the recovery requirement

28. Under the safe disposal rule, when has the refrigerant in an appliance "leaked out"?

• A. When it escaped because of a system failure, an accident or another unavoidable occurrence not caused by negligence
• B. When a technician released it while removing the compressor
• C. When someone deliberately cut the refrigerant lines
• D. When the appliance sat unused for more than a year

29. A landfill operator is the final processor for a delivered dehumidifier (a small appliance) that may still hold refrigerant. The operator chooses to recover the remaining refrigerant itself instead of relying on a signed statement. Which requirement must that recovery follow?

• A. The Table 1 evacuation levels in 40 CFR 82.156(a)
• B. None, because a final processor is not a technician
• C. The small appliance requirements in 40 CFR 82.156(b), using recovery equipment that meets 40 CFR 82.158(e)
• D. Whatever level the landfill's own written procedure sets

30. A final processor verifies recovery with a signed statement instead of recovering the refrigerant itself. What must the statement or contract verify?

• A. That the appliance was serviced within the last year
• B. That all refrigerant that had not leaked previously has been recovered from the appliance or shipment
• C. That the appliance contains no compressor oil
• D. That the refrigerant was reclaimed to appendix A specifications

31. How long must the final processor of a small appliance keep the signed statements or contracts it obtains?

• A. One year, on site
• B. Three years, on site
• C. Until the appliance is scrapped
• D. They do not need to be kept

32. A final processor uses a signed contract with a supplier of small appliances instead of signed statements. What must the contract do?

• A. List the weight of refrigerant in each appliance
• B. Be filed with EPA within 30 days
• C. Name the testing organization that certified the recovery machine
• D. State that the supplier will recover any remaining refrigerant before delivery, or verify that the refrigerant was properly recovered before the supplier received the appliances

33. When is it a violation for a final processor to accept a signed statement or contract about refrigerant recovery?

• A. When the final processor knew or had reason to know the statement or contract is false
• B. Whenever the supplier is not a certified technician
• C. Whenever the statement is kept in electronic format
• D. Whenever the appliance was delivered by a third party

34. A recycling center disposes of old window air conditioners that contain a class II refrigerant. It does not service any appliances. Does Subpart F apply to it?

• A. No, because Subpart F applies only to persons who maintain, service, or repair appliances
• B. Only if the center also sells refrigerant
• C. Yes, because Subpart F also applies to persons disposing of such appliances, including small appliances
• D. Only if the units each hold more than five pounds of refrigerant

35. A scrap yard is the final processor for household refrigerators. Its regular commercial suppliers have signed contracts promising to recover the refrigerant before delivery. An individual who drops off one old refrigerator offers to sign the same contract. What does EPA's safe disposal page say about the contract option?

• A. It frees the scrap yard from notifying its suppliers that refrigerant must be recovered before delivery
• B. It is meant for transactions between businesses and is not appropriate for infrequent suppliers such as individuals
• C. It is required for individuals, while signed statements are for commercial suppliers
• D. It lets the scrap yard accept the refrigerator with no verification at all

36. A technician's Section 608 certificate is revoked. What must the technician do before maintaining, servicing, repairing or disposing of any appliances again?

• A. Recertify
• B. Pay a fine to the certifying program
• C. Wait 12 months and then resume work
• D. Nothing; revocation only cancels the wallet card

37. A technician who holds only Type I certification wants to buy a cylinder of a class II refrigerant from a distributor. Under the sales restriction in 40 CFR 82.154(c)(1), does the Type I certification qualify the technician as a buyer?

• A. No, because only Type II, Type III, or Universal technicians may buy refrigerant
• B. Yes, because the buyer may be certified as a Type I, Type II, Type III, or Universal technician under 82.161
• C. No, because buyers must be certified under 40 CFR part 82, subpart B
• D. Only if the cylinder holds two pounds or less

38. In 2026, a technician repairs only small appliances charged with a non-exempt substitute refrigerant (no class I or class II refrigerant). Under 40 CFR 82.161, which certification must the technician hold?

• A. Type I
• B. None, because the section covers only class I and class II refrigerants
• C. Type II, because substitute refrigerants fall under Type II
• D. Certification under 40 CFR part 82, subpart B

39. A certified Type I technician fails to properly use recovery equipment when servicing small appliances. Under 82.161(a)(3), what may result?

• A. Revocation or suspension of the certificate
• B. A retest of the recovery equipment model line by its manufacturer
• C. Conversion of the certificate to an apprentice registration
• D. A requirement to switch to a mail-in Type I test

40. A technician takes a closed-book, proctored Type I certification test and scores 76 percent. Under Appendix D, did the technician reach the passing score?

• A. No, because the passing score for every Type I test is 84 percent
• B. No, because the passing score is 80 percent
• C. Yes, because the passing score for the closed-book Type I test is 70 percent
• D. No, because the passing score is 90 percent

41. Before recovering refrigerant from a drinking water cooler, a technician compares the refrigerant's pressure with its temperature. For which purposes do EPA's Type I test topics list the use of pressure and temperature?

• A. To verify that the refrigerant has been reclaimed to the appendix A specifications
• B. To find the date the appliance was manufactured
• C. To decide which type of technician certification the job needs
• D. To identify refrigerants and detect noncondensables

42. A dehumidifier charged with HFC-134a has an inoperative compressor, and the technician is recovering its refrigerant with a system-dependent ("passive") recovery device. Which method do EPA's Type I test topics give as an example for this situation?

• A. Release the remaining refrigerant to the air once the device stops filling
• B. Heat and sharply strike the compressor
• C. Put the recovered refrigerant into an empty disposable cylinder
• D. Open the refrigerant circuit and replace the compressor before recovering

43. For a small appliance with an inoperative compressor, EPA's Type I test topics list using a vacuum pump as a passive recovery method. What kind of recovery container goes with the vacuum pump in that method?

• A. A non-pressurized recovery container
• B. A disposable cylinder that once held new refrigerant
• C. A sealed cylinder pressurized with nitrogen
• D. No container, because the vacuum pump exhausts the refrigerant to the air

44. A vending machine charged with HFC-134a has a compressor that has failed. The technician has fitted an access valve on the low side only and is about to begin recovering. According to EPA's Type I test topics, what is still needed?

• A. Nothing more, because one low side valve is enough when the compressor is inoperative
• B. Removing the low side valve, because only a high side valve is used
• C. An access valve on the high side as well, so both sides have one
• D. Releasing the high side refrigerant to the air before recovery starts

45. A household refrigerator charged with HFC-134a still has a working compressor, and the technician is recovering its refrigerant with a system-dependent ("passive") recovery device. What do EPA's Type I test topics say to do with the compressor?

• A. Keep it switched off for the whole recovery
• B. Remove it from the refrigerant circuit before recovery starts
• C. Operate it during the recovery
• D. Vent the refrigerant from the compressor first

46. A technician has finished recovering refrigerant from a window air conditioner and is wrapping up the service call. Which item do EPA's Type I test topics say should be removed at the conclusion of service?

• A. The appliance's process stub
• B. The appliance's door gasket
• C. The solderless access fittings
• D. The appliance's compressor oil

47. An R-12 household refrigerator is being replaced, and the owner asks which refrigerant has likely taken R-12's place. Which answer matches EPA's Type I test topics?

• A. R-11
• B. R-114
• C. R-113
• D. R-134a