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Free Practice Quiz Question List

1 Refrigerant Recovery Fundamentals and Equipment Online Quiz Questions

Use this free practice quiz with 20 questions to review 1 Refrigerant Recovery Fundamentals and Equipment, test your knowledge, and prepare for your next test or exam.

20 questions
01
Choose one
1 point

Which statement best distinguishes refrigerant recovery from recycling and reclamation?

  1. A

    Recovery processes refrigerant to verify it meets specified purity requirements.

  2. B

    Recovery removes refrigerant into an external container and does not necessarily clean it.

  3. C

    Recovery and recycling both guarantee that refrigerant meets specified purity requirements.

  4. D

    Recovery means cleaning refrigerant so it can be reused.

02
Written response
1 point

In a vapor-compression system, what component absorbs heat as refrigerant boils at low pressure?

03
Fill in the blank
1 point

Complete the compressor description: It draws in and raises its .

04
True or false
1 point

True or false: The same vacuum target is the required recovery endpoint for every appliance.

  1. A

    True

  2. B

    False

05
Choose one
1 point

An appliance label is missing and service records are inconclusive. What should a technician do before connecting recovery equipment?

  1. A

    Assume the refrigerant based on the appliance's trade name.

  2. B

    Connect the recovery machine first and identify the refrigerant afterward.

  3. C

    Use an appropriate refrigerant identifier or seek qualified assistance.

  4. D

    Choose whichever refrigerant is most common in similar appliances.

06
Choose all
1 point

Select all statements that correctly describe refrigerant recovery methods.

  1. A

    Liquid recovery can move refrigerant faster.

  2. B

    Vapor recovery is often used to remove remaining refrigerant.

  3. C

    Vapor recovery is always faster than liquid recovery.

  4. D

    The method should depend on the system, refrigerant, and manufacturer’s instructions.

07
Written response
1 point

What ASHRAE safety-group label identifies a refrigerant with lower toxicity and lower flammability?

08
Fill in the blank
1 point

Complete the safe handling guidance: Keep different refrigerants and use a designated , not a disposable refrigerant cylinder.

09
True or false
1 point

True or false: A technician can rely on cylinder pressure alone to determine how full a recovery cylinder is.

  1. A

    True

  2. B

    False

10
Choose all
1 point

Select all statements that correctly describe the roles of recovery equipment.

  1. A

    A recovery machine transfers refrigerant from the appliance into a recovery cylinder.

  2. B

    A manifold gauge set and hoses provide connection points and allow system pressure to be observed.

  3. C

    A refrigerant scale identifies the chemical composition of the refrigerant.

  4. D

    Low-loss fittings help limit refrigerant release during connection and disconnection.

  5. E

    A recovery machine verifies refrigerant purity against reclamation standards.

11
Choose one
1 point

A technician uses a filter and oil separator during recovery. What can these components be relied on to do?

  1. A

    They establish that the refrigerant meets specified purity requirements.

  2. B

    They turn any recovery cylinder into a suitable reclamation device.

  3. C

    They identify an unknown refrigerant without testing.

  4. D

    They may protect equipment or separate contaminants, but do not by themselves make refrigerant reclaimed.

12
True or false
1 point

True or false: In the United States, Section 608 generally prohibits intentional venting of refrigerants while servicing stationary air-conditioning or refrigeration equipment.

  1. A

    True

  2. B

    False

13
Open ended
1 point

Outline a safe refrigerant recovery workflow from identifying the refrigerant and system through storing the recovered refrigerant. Include the key checks and decisions at each stage.

14
Written response
1 point

What system access points can a technician use for gauges and recovery connections?

15
Written response
1 point

A technician needs a cylinder to receive refrigerant removed from an appliance. What type of cylinder should the technician use instead of a disposable refrigerant cylinder?

16
Choose one
1 point

An appliance’s refrigerant label is missing, and its service records are unavailable. What is the appropriate next step before connecting recovery equipment?

  1. A

    Choose the refrigerant that is most commonly used in similar appliances.

  2. B

    Use an appropriate refrigerant identifier or seek qualified assistance.

  3. C

    Connect the recovery machine and infer the refrigerant from the pressure.

  4. D

    Identify it from the appliance’s appearance.

17
Choose one
1 point

A technician wants to reduce refrigerant release while attaching and removing recovery hoses. Which feature of the hose connections helps with this goal?

  1. A

    They purify refrigerant to reclamation standards.

  2. B

    They determine the cylinder’s allowable gross weight.

  3. C

    Low-loss fittings help limit refrigerant release during connection and disconnection.

  4. D

    They replace the need to identify the refrigerant.

18
Choose one
1 point

During recovery, a technician must prevent a cylinder from being overfilled. Which monitoring practice best supports that goal?

  1. A

    Rely on cylinder pressure alone to determine when it is full.

  2. B

    Monitor cylinder weight and follow its marked capacity.

  3. C

    Continue until the cylinder’s pressure stops changing.

  4. D

    Fill the cylinder until its relief device begins to discharge.

19
Choose one
1 point

Which statement best describes how liquid and vapor recovery may be used during refrigerant removal?

  1. A

    Vapor recovery is always faster, and liquid recovery is only for the final stage.

  2. B

    Liquid recovery can move refrigerant faster, while vapor recovery is often used to remove what remains.

  3. C

    Liquid recovery cleans refrigerant, while vapor recovery purifies it.

  4. D

    The two methods are interchangeable in every system and situation.

20
Choose one
1 point

A refrigerant is labeled A2L. Which interpretation of this safety-group label is correct?

  1. A

    A2L means higher toxicity and no flammability.

  2. B

    A2L identifies lower toxicity and lower flammability.

  3. C

    A2L identifies lower flammability but does not indicate toxicity classification.

  4. D

    A2L indicates the refrigerant’s operating pressure and chemical composition.