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Free Practice Quiz Question List

7 Repair and Post-Service Verification Online Quiz Questions

Use this free practice quiz with 20 questions to review 7 Repair and Post-Service Verification, test your knowledge, and prepare for your next test or exam.

20 questions
01
True or false
1 point

True or false: Under EPA Section 608, an appliance that is factory-manufactured, charged, and hermetically sealed, and contains exactly 5 pounds of refrigerant, meets the definition of a small appliance.

  1. A

    True

  2. B

    False

02
Choose one
1 point

Which repair definitely requires opening the sealed refrigerant circuit?

  1. A

    Replacing an external control

  2. B

    Replacing a compressor

  3. C

    Cleaning the appliance exterior

  4. D

    Replacing a cabinet handle

03
Written response
1 point

What is the cutoff date used to distinguish recovery equipment manufactured after that date from equipment manufactured before it? Enter the full date.

04
Choose one
1 point

What can a pressure or vacuum decay check establish during leak diagnosis?

  1. A

    It identifies the exact location of any leak.

  2. B

    It proves that no leak exists if pressure changes slowly.

  3. C

    It can show that the system is losing pressure but may not locate the leak.

  4. D

    It replaces the need to inspect repaired joints.

05
Choose all
1 point

Which actions belong in the service plan before repair work begins? Select all that apply.

  1. A

    Identify the appliance, refrigerant, and manufacturer’s service instructions.

  2. B

    Disconnect electrical power before electrical or mechanical work.

  3. C

    Prepare suitable recovery equipment, tools, replacement parts, and leak-checking supplies.

  4. D

    Vent refrigerant intentionally to make the work faster.

06
True or false
1 point

True or false: The cited EPA stationary-appliance leak-repair charge-size thresholds apply to an ordinary Type I small appliance containing 5 pounds or less of refrigerant.

  1. A

    True

  2. B

    False

07
Written response
1 point

What numeric vacuum reading may be used as an alternative to the small-appliance percentage recovery benchmarks? Enter the value in inches of mercury vacuum.

08
Choose one
1 point

A small appliance has a functional compressor, and the recovery equipment was manufactured after November 15, 1993. What is the applicable recovery benchmark?

  1. A

    80%

  2. B

    90%

  3. C

    4%

  4. D

    100%

09
Choose all
1 point

Which checks should be completed before closing the appliance cabinet? Select all that apply.

  1. A

    Ensure tubing is supported and clear of sharp edges.

  2. B

    Route wiring and connectors correctly.

  3. C

    Restore protective covers and grounding connections, and remove tools or loose parts.

  4. D

    Leave tools inside the cabinet if the appliance runs normally.

10
Open ended
1 point

Describe a safe sequence for repairing a small appliance when the repair requires opening the sealed refrigerant circuit, and explain what to verify before returning it to service.

11
Choose one
1 point

Under the stated Section 608 guidance, under what condition may an apprentice perform work that may compromise the refrigerant circuit?

  1. A

    An apprentice may work independently if the appliance is unplugged.

  2. B

    An apprentice may work under the close and continual supervision of a certified technician.

  3. C

    An apprentice may work only if the appliance contains no refrigerant.

  4. D

    An apprentice may supervise a certified technician.

12
Choose one
1 point

During post-service testing, an appliance operates abnormally. What should the technician do before returning it to service?

  1. A

    Leave it running until the noise stops on its own.

  2. B

    Return it to service if the temperature is moving toward the target range.

  3. C

    Shut it down safely and diagnose the cause before returning it to service.

  4. D

    Increase the refrigerant charge without checking the model specifications.

13
Written response
1 point

Under EPA Section 608, what is the maximum refrigerant charge, in pounds, for an appliance to meet the charge-size part of the small-appliance definition?

14
Written response
1 point

Which EPA Section 608 certification type covers work on small appliances?

15
True or false
1 point

True or false: During servicing, a technician may intentionally vent refrigerant from a small appliance if doing so makes the repair faster.

  1. A

    True

  2. B

    False

16
Choose one
1 point

A small appliance has a functional compressor, and the recovery equipment was manufactured after November 15, 1993. Which recovery benchmark applies?

  1. A

    80%

  2. B

    90%

  3. C

    100%

17
Choose one
1 point

A technician finds that the specified replacement component is unavailable. Which approach is consistent with the repair guidance?

  1. A

    Install any component with the same physical dimensions, even if it is not approved for the appliance.

  2. B

    Use a different refrigerant if it is readily available and has similar performance.

  3. C

    Use a compatible component and follow the appliance manufacturer's procedure; do not substitute without explicit approval.

18
Choose one
1 point

While replacing a component that opens the refrigerant circuit, how should a technician protect the exposed tubing during the repair?

  1. A

    Protect open tubing from dirt and moisture, and keep the circuit clean and dry.

  2. B

    Leave open tubing uncovered so moisture can evaporate freely.

  3. C

    Wipe the inside of open tubing with any available cloth before reassembly.

19
Fill in the blank
1 point

After replacing a component, a technician needs to check a disturbed joint using a visual indication of escaping gas. The material identifies an approved as one suitable option.

20
Fill in the blank
1 point

During a post-repair operating check, temperatures should move toward the manufacturer's .