True or false: A pressure check that suggests a system is leaking is, by itself, a leak inspection.
7 Type II Certification Practice Online Quiz Questions
Use this free practice quiz with 20 questions to review 7 Type II Certification Practice, test your knowledge, and prepare for your next test or exam.
True or false: The Section 608 leak-repair thresholds described here automatically apply to every appliance, regardless of the refrigerant it contains.
- A
True
- B
False
Which task generally requires Section 608 certification because it could compromise an appliance’s refrigerant circuit?
- A
Reading a room thermostat without opening the refrigerant circuit
- B
Connecting gauges to measure appliance pressure
- C
Replacing a filter in an unrelated air-cleaning device
What annual leak-rate trigger is listed for commercial refrigeration appliances subject to these Section 608 leak-repair requirements?
Owners or operators generally must repair a qualifying leak or develop a retrofit or retirement plan within days.
A technician uses recovery equipment manufactured in 1992. Which statement best describes the equipment-certification rule in the material?
- A
It must be certified because all recovery or recycling equipment is subject to the certification requirement.
- B
It is prohibited from use because it predates the certification requirement.
- C
It falls within the stated exception for equipment manufactured before November 15, 1993.
What is the full calendar date that separates the two recovery-equipment manufacture-date columns in the evacuation table?
A high-pressure appliance has a full charge of 250 pounds. What evacuation level applies when the recovery equipment was manufactured on or after November 15, 1993?
- A
0 inches of mercury vacuum
- B
4 inches of mercury vacuum
- C
10 inches of mercury vacuum
For a very-high-pressure appliance, the evacuation table specifies regardless of the recovery or recycling equipment’s manufacture date.
Which statements about recovered refrigerant are supported by the material? Select all that apply.
- A
It may generally be returned to the same appliance or another appliance owned by the same person.
- B
It may be transferred to a different owner for reuse without reclamation if it was recovered as a liquid.
- C
If it changes ownership, an EPA-certified reclaimer must reclaim it before transfer for reuse.
- D
It must always be reclaimed before it can be returned to the same appliance.
A leak prevents an appliance from reaching its normal evacuation level. Which actions or limits are consistent with the leak-related exception? Select all that apply.
- A
Isolate leaking components from non-leaking components where possible.
- B
Evacuate non-leaking portions to the specified level.
- C
Evacuate leaking portions to the lowest achievable level without substantially contaminating the recovered refrigerant, but not above 0 psig.
- D
Vent refrigerant from the leaking portion if the normal evacuation level cannot be reached.
After the required evacuation level is reached and pressure is allowed to stabilize, what can a pressure rise indicate?
- A
It proves the system has no remaining refrigerant.
- B
It can indicate that refrigerant remains in the system or oil.
- C
It means the appliance’s leak rate has been established.
True or false: If the evacuation table requires 0 inches of mercury vacuum, a technician may open the appliance while it is still positively pressurized.
- A
True
- B
False
For an appliance subject to leak-repair rules, explain how a leak inspection differs from the initial verification test and the follow-up verification test.
Which task generally requires Section 608 certification because it could compromise the refrigerant circuit?
- A
Reading a room thermostat without opening the refrigerant circuit
- B
Connecting gauges to measure an appliance’s pressure
- C
Replacing a filter in an unrelated air-cleaning device
A technician performs a pressure check that suggests an appliance is leaking. Which statement best describes what the check establishes?
- A
It locates the leak because it shows that pressure is changing.
- B
It is a leak inspection whenever the appliance contains refrigerant.
- C
It may indicate a leak, but it does not by itself locate the leak.
- D
It counts as a follow-up verification test under normal operating conditions.
Which circumstance is an exception to the certification requirement for recovery or recycling equipment used for these Section 608 requirements?
- A
The equipment was manufactured before November 15, 1993.
- B
The equipment is used only on an appliance with a charge under 200 pounds.
- C
The technician has previously used the equipment successfully.
- D
The refrigerant will be returned to the same appliance.
What minimum charge of ozone-depleting refrigerant is covered by the general Section 608 leak-repair requirements, when the applicable annual leak-rate trigger is exceeded? Enter the charge in pounds.
A technician recovers refrigerant that the owner wants to transfer to a different owner for reuse. What must happen before the transfer?
- A
It may be transferred for reuse as long as the receiving owner uses certified recovery equipment.
- B
It must be reclaimed by an EPA-certified reclaimer before transfer for reuse.
- C
It may be transferred without reclamation if it came from a high-pressure appliance.
- D
It must always be reclaimed before it can be returned to the same appliance.
Under the limited leak-related evacuation exception, what is the maximum pressure allowed in a leaking portion? Enter the numerical value in psig.
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