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Free Practice Quiz Question List

4 Small Appliance Refrigerant Recovery Procedures Online Quiz Questions

Use this free practice quiz with 20 questions to review 4 Small Appliance Refrigerant Recovery Procedures, test your knowledge, and prepare for your next test or exam.

20 questions
01
Choose one
1 point

Which description matches the definition of a small appliance used in refrigerant recovery rules?

  1. A

    Any appliance containing 5 lb (2.3 kg) or less of refrigerant

  2. B

    A factory-made, factory-charged, hermetically sealed appliance containing 5 lb (2.3 kg) or less of refrigerant

  3. C

    Any appliance with a hermetic compressor, regardless of refrigerant charge

02
Choose one
1 point

In the United States, what certification must a technician generally hold to service or repair a small appliance?

  1. A

    EPA Section 608 Type II certification only

  2. B

    No certification is ever required for small-appliance recovery

  3. C

    EPA Section 608 Type I or Universal certification

03
Choose one
1 point

A small appliance has a nonfunctional compressor, and recovery equipment manufactured after November 15, 1993 is being used. What recovery percentage applies under the usual federal requirements?

  1. A

    Recover 80% of the refrigerant

  2. B

    Recover 90% of the refrigerant

  3. C

    Recover 100% of the refrigerant

04
Choose one
1 point

An appliance nameplate identifies a flammable hydrocarbon refrigerant. Which approach is appropriate before recovery?

  1. A

    Use ordinary recovery equipment if its fittings match, and check for leaks with a flame

  2. B

    Use equipment and cylinders specifically suitable for the refrigerant, control ignition sources, and follow the equipment instructions

  3. C

    Recover the refrigerant into any available cylinder as long as it is weighed

05
Choose all
1 point

Before connecting recovery equipment, which steps support a safe and compatible setup? Select all that apply.

  1. A

    Read the nameplate for refrigerant, charge, and flammability information

  2. B

    Assume the refrigerant type from the appliance's age

  3. C

    Select recovery equipment certified for the refrigerant and application

  4. D

    Begin recovery before checking what refrigerant is present

06
Choose all
1 point

Which practices help prevent unsafe or improper recovery-cylinder filling? Select all that apply.

  1. A

    Use a cylinder approved for the refrigerant and intended service

  2. B

    Keep the cylinder upright and secured against falling

  3. C

    Estimate the fill level from cylinder pressure alone

  4. D

    Use a scale and stop before the marked maximum filling weight

07
True or false
1 point

True or false: Recovery, by itself, cleans or purifies refrigerant.

  1. A

    True

  2. B

    False

08
True or false
1 point

True or false: A hermetic compressor may be energized while its system is under vacuum if recovery is still in progress.

  1. A

    True

  2. B

    False

09
Written response
1 point

What numerical vacuum endpoint, in inches of mercury, is allowed as an alternative to the specified recovery percentage for a small appliance?

10
Written response
1 point

What is the process called when refrigerant is processed and verified to meet industry purity specifications?

11
Open ended
1 point

A U.S. technician is recovering refrigerant solely to prepare a small appliance for disposal. Explain how the certification requirement applies and what equipment requirement still applies.

12
Choose one
1 point

An appliance is sent for disposal after a technician says recovery was completed, but the final processor must determine what to do next. Which requirement applies?

  1. A

    The processor may open the appliance without checking for refrigerant if it appears empty

  2. B

    The processor must always repeat the full recovery process regardless of documented prior recovery

  3. C

    The processor must recover any remaining refrigerant or verify proper prior recovery through the required documentation

  4. D

    The processor only needs to identify the refrigerant type

13
Choose one
1 point

A technician is classifying an appliance before choosing a recovery procedure. Which description meets the definition of a small appliance?

  1. A

    A field-assembled appliance containing 5 lb or less of refrigerant

  2. B

    A factory-made, factory-charged, hermetically sealed appliance containing 5 lb (2.3 kg) or less of refrigerant

  3. C

    Any hermetically sealed appliance containing less than 10 lb of refrigerant

  4. D

    A factory-made appliance containing exactly 5 lb of refrigerant, regardless of whether it is hermetically sealed

14
Choose one
1 point

In the United States, a technician is about to service a small appliance. Which certification meets the stated technician-certification requirement?

  1. A

    EPA Section 608 Type I certification, or Universal certification

  2. B

    EPA Section 608 Type II certification only

  3. C

    No certification, provided the appliance contains less than 5 lb of refrigerant

  4. D

    Certification is required only if the recovered refrigerant will be reclaimed

15
Written response
1 point

A small appliance has a functional compressor, and the technician uses recovery equipment manufactured after November 15, 1993. What minimum recovery percentage applies? Enter the percentage as a number of percentage points.

16
Choose one
1 point

An appliance nameplate identifies a flammable hydrocarbon refrigerant. Which approach is appropriate before and during recovery?

  1. A

    Use ordinary recovery equipment if its fittings match, and check for leaks with a flame

  2. B

    Operate the appliance compressor to move the refrigerant into any available cylinder

  3. C

    Use equipment and cylinders specifically suitable for the refrigerant, control ignition sources, and follow the manufacturer's safety instructions

  4. D

    Mix the refrigerant with a known refrigerant to reduce its flammability before recovery

17
True or false
1 point

In the United States, recovery performed solely to prepare a small appliance for disposal is an exception to the technician-certification requirement, but compliant recovery equipment is still required.

  1. A

    True

  2. B

    False

18
Written response
1 point

What is the process called when refrigerant is removed from an appliance and stored in an external container, without necessarily being cleaned or purified?

19
Fill in the blank
1 point

After reaching the recovery target, a technician should wait briefly and recheck whether pressure . A rise may mean refrigerant remains in the system or oil, so recovery may need to continue.

20
Fill in the blank
1 point

During refrigerant transfer, the technician must avoid trapping between closed valves.