EPA 608 Type 1 (Small Appliances) Practice Test 2024

Last Updated on January 18, 2025

EPA 608 Type 1 (Small Appliances) Practice Test 2024 Quiz Questions Answers: You can prepare the EPA 608 Certification Exam for free on our website. Type 1 (Small Appliances) practice test consists of Recovery Requirements, Recovery Techniques and Decomposition products of refrigerants at high temperatures related questions answers.

EPA 608 Type 1 (Small Appliances) Practice Test

Type I. Persons who maintain, service, repair, or dispose of small appliances must be certified as Type I technicians. A small appliance is defined as a pre-assembled unit that is hermetically sealed and factory-charged with 5 lbs. or less of refrigerant. Examples include water coolers, window units, refrigerators, freezers, dehumidifiers, ice machines, and package terminal air conditioning. Split systems are not included in Type I.

Our test comprises 35 questions on EPA 608 Type 1 (Small Appliances). Registration is not required, and you can check your score at the end of the test.

EPA 608 Type 1 - Type 1 (Small Appliances)

EPA 608 Type 1 - Type 1 (Small Appliances)
Practice Test

1 / 35

1) When using a system-dependent recovery system with a non-operating compressor, where should the refrigerant be recovered from?

A) Both high and low side

B) Low side of the system

C) High side of the system

D) None of the above

2 / 35

2) What should be done with leaks in small appliances?

A) None of the above

B) Not mandatory to perform a leak repair; however it should be done whenever possible

C) Leaks more than one pound and under 5 pounds must be repaired

D) Leaks over 50 pounds must be repaired

3 / 35

3) Recovery equipment manufactured after November 15, 1993, must be certified by:

A) An AHRI approved laboratory

B) An OSHA approved laboratory

C) An EPA approved third party

D) An approved EPA laboratory

4 / 35

4) The release of vapor from the top of a graduated charging cylinder when filling may:

A) Be vented if the quantity does not exceed three pounds

B) Be vented, but not inhaled

C) Not be vented and must be recovered

D) Be vented to the atmosphere

5 / 35

5) What are things that can cause high recovery discharge pressures?

A) Not opening the tank inlet valve

B) None of the above

C) A and B

D) Having excess air will cause higher discharge pressures

6 / 35

6) What is a low-loss fitting and why is it needed?

A) Quick connect to increase speed

B) Prevents loss when hoses are not in use.

C) None of the above

D) Can be manually or automatically closed when disconnecting hoses in order to prevent refrigerant loss

7 / 35

7) What does the service aperture on a small appliance typically look like?

A) A hook shape tube to allow a piercing access valve

B) A straight piece of tubing that is entered with a piercing access valve

C) None of the above

D) A straight piece of tubing that is with a permanent access valve

8 / 35

8) What temperature must a cylinder be at to check for excess air?

A) Temperature is not relevant

B) 55°F

C) Room temperature before taking a pressure reading

D) 52°F

9 / 35

9) System dependent (passive) refrigerant recovery of small appliances:

A) All of the above

B) Recovers refrigerant in a non-pressurized container.

C) Do not require an operating compressor.

D) Requires 80% of the refrigerant to be recovered.

10 / 35

10) Who is responsible for complying with the laws if the EPA changes the laws after technician certification?

A) It is the responsibility of the equipment owner to comply with any future changes in the law

B) None of the above

C) It is the responsibility of the company to comply with any future changes in the law

D) It is the responsibility of the technician to comply with any future changes in the law

11 / 35

11) How can you tell what type of refrigerant is in a system?

A) Manufacturers data sheet

B) Using the temperature / pressure chart

C) Check the unit label

D) All the above

12 / 35

12) Why is it important to recover refrigerant during the servicing of refrigeration equipment?

A) To ensure the longevity of the equipment

B) To increase the efficiency of the system

C) To comply with manufacturer guidelines

D) To prevent the release of harmful substances into the atmosphere

13 / 35

13) Should regulations of the Clean Air Act (CCA) change after a technician is certified:

A) The technicians who previously passed with an 80% will be grandfathered

B) It will be the technician’s responsibility to learn and comply with future changes in the law

C) The technicians must be retested and pass the exam with 84%

D) The technician must take a new test to be recertified

14 / 35

14) What might happen if a cylinder containing mixed refrigerants is given to a reclamation center?

A) A and B

B) They may destroy the refrigerant, but charge a substantial fee

C) Refuse to process the refrigerant and return it at the owner’s expense

D) None of the above

15 / 35

15) When using a system-dependent recovery system with an operating compressor, where should the refrigerant be recovered from?

A) None of the above

B) Both high and low side

C) High side of the system

D) Low side of the system

16 / 35

16) A system has been operating with a complete restriction at the capillary tube inlet, what access is required for recovery?

A) One access valve on the low side of the system.

B) One access valve on the high side of the system

C) One access valve on the evaporator, and one on the low side

D) Two access valves high and low side of the system

17 / 35

17) Does a PTAC fall under small appliances? What about an MVAC?

A) MVAC or motorized vehicle air conditioning systems. No

B) PTAC and MVAC yes

C) a and b

D) PTAC or pressurized terminal air conditioner. Yes

18 / 35

18) Which best describes the definition of Type I “Small Appliance”, as defined by EPA?

A) Systems manufactured, charged and hermetically sealed with five pounds of less of refrigerant

B) Any appliance charged with more than five pounds of refrigerant

C) Refrigerators, freezers, room air conditioners, and central air conditioners

D) Any appliance charged with less than two pounds of refrigerant

19 / 35

19) When should piercing type valves be used and what is a common problem of these valves?

A) Piercing valves are not allowed.

B) Fittings tend to leak over time and should not be left on appliances

C) None of the above

D) A and B

20 / 35

20) To work on small appliances after November 14, 1993, a technician must be certified as:

A) Universal

B) A or C above

C) Type I

D) Type II

21 / 35

21) Recovery equipment manufactured before November 15, 1993 must meet what standards?

A) Capable of recovering 80% of the refrigerant whether or not the compressor is operating or achieve a 4 inch vacuum under conditions of ARI 740

B) Capable of recovering 90% of the refrigerant whether or not the compressor is operating or achieve a 4 inch vacuum under conditions of ARI 740

C) None of the above

D) Capable of recovering 80% of the refrigerant whether or not the compressor is operating or achieve a 6 inch vacuum under conditions of ARI 740

22 / 35

22) How can you release trapped refrigerants in the oil during recovery?

A) A and B

B) Heat and tap the compressor with a mallet

C) None of the above

D) Activate a defrost heater

23 / 35

23) Before disposing of a small appliance containing R-12, it is necessary to:

A) Recover the refrigerant

B) Turn upside down

C) Thoroughly leak check

D) Pressurize with nitrogen

24 / 35

24) For small appliance use, the recovery equipment manufactured after November 15, 1993 must be capable of recovering:

A) 80% of the refrigerant when the compressor is not running or achieve a 4 inch vacuum under ARI 740-1993

B) 90% of refrigerant when the compressor is operating or achieve a 4 inch vacuum under ARI 740-1993

C) A and b above

D) 99% of the refrigerant regardless of compressor operation and achieve a 10 inch vacuum under ARI 740-1993

25 / 35

25) What is the purpose of using a vacuum pump during the evacuation of a refrigeration system?

A) To increase the pressure within the system

B) To remove air and moisture from the system

C) To add refrigerant to the system

D) To cool down the refrigerant

26 / 35

26) How can you check if there is excess air/non-condensables in a tank?

A) Checking the pressure inside the recovery tank. Reference the pressure/temperature chart

B) None of the above

C) Non-condensible test kit

D) Use an excess air gauge

27 / 35

27) Read a pressure temperature chart. What should the pressure be for:

A) R-12 refrigerant at 80º F?

B) All the above are correct

C) R-134a at 90º F?

D) R-22 at 70º F?

28 / 35

28) Recovery equipment manufactured before November 15, 1993, must meet what standards?

A) Capable of recovering 90% of the refrigerant whether or not the compressor is operating or achieve a 4 inch vacuum under conditions of ARI 740.

B) Capable of recovering 80% of the refrigerant whether or not the compressor is operating or achieve a 6 inch vacuum under conditions of ARI 740.

C) None of the above

D) Capable of recovering 80% of the refrigerant whether or not the compressor is operating or achieve a 4 inch vacuum under conditions of ARI 740.

29 / 35

29) What is the primary function of a condenser in a refrigeration system?

A) Increase the pressure of the refrigerant

B) Control the flow of refrigerant

C) Absorb heat from the refrigerant

D) Reject heat from the refrigerant

30 / 35

30) What is the EPA definition of a small appliance?

A) Manufactured, charged and hermetically sealed in a factory and contains fifteen pounds or less of refrigerant

B) Manufactured, charged and hermetically sealed in a factory and contains two pounds or less of refrigerant

C) Manufactured, charged and hermetically sealed in a factory and contains five pounds or less of refrigerant

D) Manufactured, charged and hermetically sealed in a factory and contains one pound or less of refrigerant

31 / 35

31) The sale of Class I and Class II refrigerants will be restricted to technicians certified by an EPA-approved program after:

A) November 15, 1993

B) August 12, 1993

C) July 1, 1992

D) November 14, 1994

32 / 35

32) CFCs will not be manufactured in the United States after:

A) 1996

B) 2000

C) 1995

D) 2005

33 / 35

33) What type of system can a vacuum pump be used on for recovery?

A) Active, compressor containing unit.

B) None of the above

C) System-dependent (passive) recovery

D) A and B

34 / 35

34) What is the difference between a self-contained recovery tank and a system-dependent recovery tank?

A) None of the above

B) A system-dependent (passive) recovery tank does not have its own compressor.

C) A and B

D) Self-contained (active) recovery equipment uses its own power to recover the refrigerant from systems and is capable of reaching the required recovery rates with or without the compressor operating

35 / 35

35) What is the maximum amount of refrigerant a small appliance can have by definition?

A) None of the above

B) 10 pounds or less

C) 1 pound or less

D) 5 pounds or less

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