Free Practice Quiz Question List

3 Refrigerant Handling and Service Procedures Online Quiz Questions

Use this free practice quiz with 20 questions to review 3 Refrigerant Handling and Service Procedures, test your knowledge, and prepare for your next test or exam.

20 questions

Choose one

1 point

A technician plans to sell recovered refrigerant to a different owner for reuse. Which handling step is required before the sale?

A
Recover it, because recovery alone makes it suitable for sale to another owner.
B
Recycle it, because cleaning makes it suitable for sale to another owner.
C
Reclaim it, because it must meet purity specifications verified by an EPA-certified reclaimer.
D
Store it, because refrigerant may be transferred without further processing.

True or false

1 point

A technician may intentionally vent refrigerant during service as long as the appliance is being repaired in good faith.

A
True
B
False

Written response

1 point

A small appliance contains five pounds or less of refrigerant, and its compressor is functional. What minimum recovery percentage must the recovery equipment achieve?

Fill in the blank

1 point

Before removing oil from an appliance or isolated section, reduce its pressure to psig or less.

Choose all

1 point

Select all methods that can help locate a refrigerant leak.

A
An appropriate leak detector
B
A pressure-decay test by itself
C
Bubble solution
D
Ultrasonic detection

True or false

1 point

Section 608 leak-repair requirements apply to appliances containing only substitute refrigerants such as HFCs.

A
True
B
False

Choose one

1 point

Before opening a medium-pressure appliance charged with 200 pounds or more, what evacuation level applies if it was manufactured on or after November 15, 1993?

A
4 in. Hg vacuum
B
10 in. Hg vacuum
C
15 in. Hg vacuum
D
25 mm Hg absolute

Written response

1 point

What is the name of the test that checks a repair after the appliance returns to normal operating conditions?

Fill in the blank

1 point

For a qualifying Section 608 leak, the owner or operator generally must repair the leak or develop a retrofit or retirement plan within days.

Choose all

1 point

When disposing of an appliance containing 5–50 pounds of refrigerant, select all information that must be included in the required records.

A
The recovery location and date
B
The refrigerant type
C
The technician's total labor hours for the service call
D
Monthly recovered quantities
E
Quantities transferred for reclamation or destruction

Choose one

1 point

A pressure or vacuum decay test shows that a system is leaking. What conclusion can the technician draw from that test alone?

A
It identifies the precise point of leakage.
B
It can indicate that the system is leaking, but does not by itself locate the leak.
C
It verifies that a repair passed the follow-up test.
D
It determines whether recovered refrigerant meets reclamation purity specifications.

Open ended

1 point

A leak prevents a technician from reaching the required evacuation level before opening an appliance. Explain how the technician should handle the leaking and non-leaking portions.

Choose one

1 point

A technician is preparing to service an appliance. Which approach meets the general certification and equipment requirements?

A
Certification is needed only for refrigerant sales, and any recovery equipment may be used.
B
Certification for one appliance type covers all appliance types, and manufacturer instructions are optional.
C
The technician must be certified for the appliance type serviced, use appropriate certified recovery equipment, and follow its instructions.
D
Only the equipment manufacturer must be certified; technicians may service any appliance type.

True or false

1 point

For a qualifying minor repair that does not involve evacuating the appliance to the environment, low-pressure equipment must be brought to 0 psig before opening.

A
True
B
False

Choose one

1 point

A technician is recovering refrigerant from a small appliance containing no more than five pounds. Its compressor is not functional. What recovery percentage must the equipment achieve to satisfy the applicable recovery requirement?

A
70%
B
75%
C
80%
D
90%

Written response

1 point

Before removing oil from an appliance, a technician chooses to reduce the pressure in the appliance itself. What is the maximum pressure allowed? Enter the value in psig.

Written response

1 point

A technician is preparing to open a high-pressure appliance with a charge of 200 pounds or more. It was manufactured on or after November 15, 1993. What evacuation level is required? Enter the reading in inches of mercury vacuum.

Choose one

1 point

After repairing a covered leak, a technician has added refrigerant and returned the appliance to normal operating conditions. Which test checks that the repair remains effective at this stage?

A
A leak inspection
B
An initial verification test
C
A follow-up verification test
D
A pressure or vacuum decay test used to locate the leak

Choose one

1 point

A commercial refrigeration appliance contains a full charge of 60 pounds of an ozone-depleting refrigerant and has an annualized leak rate of 22%. Under the Section 608 rules described in the material, what is the correct conclusion?

A
No corrective action is required because commercial refrigeration has a 30% threshold.
B
No corrective action is required because Section 608 leak-repair rules cover only HFC substitutes.
C
Corrective action is required because the charge and leak rate exceed the applicable Section 608 criteria.
D
Corrective action is required only if the annualized leak rate exceeds 30%.

Choose one

1 point

An appliance otherwise uses an HFC covered by the separate AIM Act leak-repair program. Which appliance category is exempt from those leak-repair provisions?

A
All industrial process refrigeration appliances
B
All commercial refrigeration appliances
C
Residential and light-commercial air-conditioning and heat-pump appliances
D
Every appliance with a full charge under 50 pounds

3 Refrigerant Handling and Service Procedures Online Quiz Questions

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