WorksheetsUnderstanding Type II Refrigeration Regulations
Total questions: 15
Worksheet time: 8mins
A company uses 60% of its system's cooling capacity for manufacturing and 40% for office air conditioning. According to EPA classifications, under which category does this system fall for leak rate calculations?
Comfort Cooling
Commercial Refrigeration
Industrial Process Refrigeration (IPR)
Residential Cooling
If a packaged rooftop unit has a nameplate charge of 100 pounds, what is the best method to charge the system?
Gas charge through the suction line
Liquid charge by weight through the liquid-line service valve
Vapor charge through the discharge line
Liquid charge through the suction line
A supermarket's HCFC rack refrigeration system fails the initial leak verification test. What is the maximum time allowed for additional repairs or to develop a retrofit plan?
10 days
30 days
60 days
90 days
An appliance with a charge of 250 pounds of refrigerant has exceeded the threshold leak rate. What is the required frequency of follow-up leak inspections after repair?
Once every month
Once every three months
Once per calendar year
Once every six months
What is the maximum allowable leak rate per year for a system used for comfort cooling as of January 1, 2019?
5%
10%
20%
30%
If a system's leak rate exceeds 125% of its full charge in a calendar year, what action must be taken?
Continue operation without changes
Submit a report to the EPA and take further action
Immediately retire the system
Increase the refrigerant charge
What is the first step in leak detection for a newly installed split-system?
Use soap bubbles to check for leaks
Pressurize with dry-nitrogen and check for leaks
Charge the system with refrigerant and check for leaks
Use a refrigerant leak detector
What is the required action if an appliance with 50 or more pounds of refrigerant exceeds the threshold leak rate and cannot be repaired within 30 days?
Continue using the appliance without changes
Retire or retrofit the appliance
Increase the refrigerant charge
Submit a report to the EPA
What is the best method to pinpoint refrigerant leaks in a system?
Use a refrigerant leak detector
Use soap bubbles
Use a thermal imaging camera
Use a stethoscope
What is the required record-keeping duration for leak inspections and verification tests?
1 year
2 years
3 years
5 years
What is the maximum allowable leak rate per year for a system used for industrial process refrigeration as of January 1, 2019?
10%
20%
30%
40%
What should be done before transferring refrigerant to an empty cylinder?
Heat the cylinder
Evacuate the cylinder to reduce pressure
Fill the cylinder with nitrogen
Cool the cylinder
What is the consequence of not having a certified service technician available for service when an appliance exceeds the threshold leak rate?
The repair deadline is extended
The appliance must be retired immediately
The repair deadline cannot be extended
The appliance can continue to operate without repair
What is the required action if a refrigerant recovery unit is used for a different refrigerant type than previously used?
No action is required
Change the unit’s filter and remove any remaining refrigerant
Increase the recovery unit's pressure
Use the same filter for all refrigerants
What is the maximum allowable leak rate per year for a system used for commercial refrigeration as of January 1, 2019?
10%
20%
30%
40%
