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 a low-loss fitting and why is it needed?

A) None of the above

B) Quick connect to increase speed

C) Prevents loss when hoses are not in use.

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

2 / 35

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

A) Control the flow of refrigerant

B) Absorb heat from the refrigerant

C) Increase the pressure of the refrigerant

D) Reject heat from the refrigerant

3 / 35

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

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

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

C) None of the above

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

4 / 35

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

A) To ensure the longevity of the equipment

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

C) To increase the efficiency of the system

D) To comply with manufacturer guidelines

5 / 35

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

A) A and B

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

C) None of the above

D) Piercing valves are not allowed.

6 / 35

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

A) None of the above

B) Heat and tap the compressor with a mallet

C) A and B

D) Activate a defrost heater

7 / 35

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

A) Be vented, but not inhaled

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

C) Not be vented and must be recovered

D) Be vented to the atmosphere

8 / 35

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

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

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

C) A and B

D) None of the above

9 / 35

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

A) Active, compressor containing unit.

B) System-dependent (passive) recovery

C) None of the above

D) A and B

10 / 35

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

A) MVAC or motorized vehicle air conditioning systems. No

B) a and b

C) PTAC or pressurized terminal air conditioner. Yes

D) PTAC and MVAC yes

11 / 35

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

D) None of the above

12 / 35

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

A) 1995

B) 2005

C) 1996

D) 2000

13 / 35

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

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

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

14 / 35

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

A) All of the above

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

C) Recovers refrigerant in a non-pressurized container.

D) Do not require an operating compressor.

15 / 35

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

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

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

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

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

16 / 35

16) 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) 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) None of the above

17 / 35

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

A) Using the temperature / pressure chart

B) All the above

C) Manufacturers data sheet

D) Check the unit label

18 / 35

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

A) Thoroughly leak check

B) Turn upside down

C) Recover the refrigerant

D) Pressurize with nitrogen

19 / 35

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

A) To remove air and moisture from the system

B) To cool down the refrigerant

C) To increase the pressure within the system

D) To add refrigerant to the system

20 / 35

20) 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

21 / 35

21) 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) Low side of the system

C) None of the above

D) Both high and low side

22 / 35

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

A) August 12, 1993

B) November 14, 1994

C) November 15, 1993

D) July 1, 1992

23 / 35

23) 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

24 / 35

24) 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) High side of the system

C) Low side of the system

D) None of the above

25 / 35

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

A) All the above are correct

B) R-134a at 90º F?

C) R-12 refrigerant at 80º F?

D) R-22 at 70º F?

26 / 35

26) 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) None of the above

D) A and B

27 / 35

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

D) Use an excess air gauge

28 / 35

28) 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) A and B

C) None of the above

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

29 / 35

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

A) 10 pounds or less

B) 1 pound or less

C) None of the above

D) 5 pounds or less

30 / 35

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

A) 55°F

B) 52°F

C) Temperature is not relevant

D) Room temperature before taking a pressure reading

31 / 35

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

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

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

32 / 35

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

A) A or C above

B) Universal

C) Type II

D) Type I

33 / 35

33) 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 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) None of the above

34 / 35

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

A) An OSHA approved laboratory

B) An EPA approved third party

C) An AHRI approved laboratory

D) An approved EPA laboratory

35 / 35

35) 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

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