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

A) To add refrigerant to the system

B) To cool down the refrigerant

C) To remove air and moisture from the system

D) To increase the pressure within the system

2 / 35

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

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

B) None of the above

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

3 / 35

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

A) High side of the system

B) None of the above

C) Both high and low side

D) Low side of the system

4 / 35

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

A) 2000

B) 1995

C) 2005

D) 1996

5 / 35

5) 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 high side of the system

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

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

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

6 / 35

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

A) None of the above

B) A and B

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

D) Piercing valves are not allowed.

7 / 35

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

A) 5 pounds or less

B) 1 pound or less

C) 10 pounds or less

D) None of the above

8 / 35

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

A) None of the above

B) 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

C) 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

D) 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

9 / 35

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

A) A and b above

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

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

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

10 / 35

10) 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 over 50 pounds must be repaired

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

11 / 35

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

A) None of the above

B) Quick connect to increase speed

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

D) Prevents loss when hoses are not in use.

12 / 35

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

A) July 1, 1992

B) November 14, 1994

C) August 12, 1993

D) November 15, 1993

13 / 35

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

A) Using the temperature / pressure chart

B) Manufacturers data sheet

C) Check the unit label

D) All the above

14 / 35

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

A) An EPA approved third party

B) An OSHA approved laboratory

C) An approved EPA laboratory

D) An AHRI approved laboratory

15 / 35

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

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

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

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

D) None of the above

16 / 35

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

A) a and b

B) PTAC or pressurized terminal air conditioner. Yes

C) PTAC and MVAC yes

D) MVAC or motorized vehicle air conditioning systems. No

17 / 35

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

A) Temperature is not relevant

B) Room temperature before taking a pressure reading

C) 52°F

D) 55°F

18 / 35

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

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

B) A and B

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

D) None of the above

19 / 35

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

A) None of the above

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) 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.

D) 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.

20 / 35

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

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

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

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

D) None of the above

21 / 35

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

A) To increase the efficiency of the system

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

C) To comply with manufacturer guidelines

D) To ensure the longevity of the equipment

22 / 35

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

A) A and B

B) None of the above

C) System-dependent (passive) recovery

D) Active, compressor containing unit.

23 / 35

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

A) Universal

B) Type II

C) A or C above

D) Type I

24 / 35

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

A) R-22 at 70º F?

B) All the above are correct

C) R-12 refrigerant at 80º F?

D) R-134a at 90º F?

25 / 35

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

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

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

26 / 35

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

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

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

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

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

27 / 35

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

A) Pressurize with nitrogen

B) Recover the refrigerant

C) Thoroughly leak check

D) Turn upside down

28 / 35

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

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

B) Recovers refrigerant in a non-pressurized container.

C) All of the above

D) Do not require an operating compressor.

29 / 35

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

A) Low side of the system

B) Both high and low side

C) High side of the system

D) None of the above

30 / 35

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

A) Absorb heat from the refrigerant

B) Reject heat from the refrigerant

C) Control the flow of refrigerant

D) Increase the pressure of the refrigerant

31 / 35

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

A) None of the above

B) Non-condensible test kit

C) Use an excess air gauge

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

32 / 35

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

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

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

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

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

33 / 35

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

A) Be vented to the atmosphere

B) Not be vented and must be recovered

C) Be vented, but not inhaled

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

34 / 35

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

A) Not opening the tank inlet valve

B) Having excess air will cause higher discharge pressures

C) A and B

D) None of the above

35 / 35

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

A) Activate a defrost heater

B) A and B

C) Heat and tap the compressor with a mallet

D) None of the above

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