Free Practice Quiz Question List

4 Refrigerant Recovery and Cylinder Management Online Quiz Questions

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

20 questions

True or false

1 point

Under EPA Section 608, a technician may intentionally vent refrigerant during routine service as long as the amount released is small.

A
True
B
False

Choose one

1 point

Which statement best describes refrigerant recovery?

A
Clean recovered refrigerant for reuse in equipment owned by the same person
B
Remove refrigerant from equipment and store it in an external container
C
Reprocess and test refrigerant to meet purity specifications
D
Release refrigerant from equipment through a hose

Fill in the blank

1 point

For storage, keep cylinders and against falling.

Written response

1 point

What is the name of the process that reprocesses and tests refrigerant to applicable purity specifications?

Choose one

1 point

During a pre-use cylinder inspection, which condition specifically indicates evidence of a refrigerant leak?

A
Signs that refrigerant is escaping from the cylinder
B
A cylinder stored upright and secured against falling
C
A cylinder with its valve closed and protective cap installed when applicable
D
A cylinder kept in a dry, ventilated location away from excessive heat

True or false

1 point

The same evacuation pressure target applies to every appliance and refrigerant when verifying recovery.

A
True
B
False

Fill in the blank

1 point

Clearly mark refrigerant that is or mixed, and keep it from other refrigerants.

Written response

1 point

Under the stated EPA allowance for returning recovered refrigerant to another appliance without recycling or reclamation, what ownership relationship must the appliances have?

Choose all

1 point

Select all actions that help prevent overfilling a recovery cylinder during setup and recovery.

A
Connect the recovery cylinder to a scale
B
Recover into a disposable supply cylinder if it is empty
C
Use the cylinder's overfill protection as designed
D
Estimate the fill from a sight glass instead of monitoring weight

Choose one

1 point

A recovery cylinder is found to be leaking. What is the appropriate response?

A
Tighten or patch the cylinder using available materials
B
Isolate the area if safe and follow workplace emergency procedures
C
Move the cylinder by rolling it away from the work area
D
Continue using it if the refrigerant loss appears minor

Choose all

1 point

Select all appropriate precautions for protecting people while handling refrigerant.

A
Work with adequate ventilation
B
Protect skin and eyes from contact
C
Assume a small refrigerant leak cannot affect breathing
D
For flammable refrigerants, use suitable equipment and control ignition sources

Open ended

1 point

Describe a safe refrigerant recovery process from equipment selection through shutdown. Include how the technician should select and monitor the cylinder, verify evacuation, and manage refrigerant remaining in the hoses.

Choose one

1 point

A technician discovers that two refrigerant types have been mixed in a cylinder. What is a likely consequence?

A
Mixing always makes the refrigerant easier to reclaim
B
Mixing can make recovery more difficult and may prevent ordinary recycling or reclamation
C
Mixing is acceptable if the cylinder is only partly full
D
Mixing has no effect if the refrigerants are kept in a recovery cylinder

True or false

1 point

During transport, cylinders should be secured in the vehicle and their valves protected.

A
True
B
False

Choose one

1 point

A technician is preparing to recover refrigerant from a system. Which receiving container should the technician select?

A
A disposable supply cylinder that previously contained the same refrigerant
B
An approved, serviceable recovery cylinder rated for that refrigerant
C
Any cylinder that fits the recovery machine connections
D
A cylinder intended for a different refrigerant, if it is nearly empty

Choose one

1 point

A system's refrigerant identity is uncertain, and contamination is possible. What should the technician do with the refrigerant during recovery?

A
Add it to the most common refrigerant in the shop so the cylinder stays full
B
Release a small sample to identify it by smell
C
Keep it separate and use a process and equipment intended for the situation
D
Mix it with a known refrigerant and rely on filtration to correct the mixture

Choose one

1 point

While recovering refrigerant, which method best prevents a cylinder from being overfilled?

A
Monitor cylinder weight on a scale and stay within the cylinder's marked fill limit
B
Estimate the fill from the refrigerant's appearance through a sight glass
C
Stop when the cylinder feels heavy enough to be stable
D
Use one standard fill percentage for every recovery cylinder

Choose one

1 point

A technician is planning recovery work involving a flammable refrigerant. Which approach is appropriate?

A
Use ordinary recovery equipment and rely on ventilation alone
B
Work near a flame so escaping refrigerant can be detected
C
Disable safety controls that might interrupt recovery
D
Use suitable equipment and work practices, and control ignition sources

Written response

1 point

A technician recovers refrigerant, separates out oil, and filters or dries it so it can be reused in equipment owned by the same person. What is this processing step called?

Written response

1 point

Besides protecting the ozone layer, what type of gas emissions does proper refrigerant recovery help limit?

4 Refrigerant Recovery and Cylinder Management Online Quiz Questions

Related study packs and tools