NEW
Font size
WorksheetsFAB-101 EPA Week 4 Homework (Type II)
Total questions: 15
Worksheet time: 8mins
Who must be certified as a Type II Technician or a Universal Technician?
Technicians working with small appliances
Technicians working with motor vehicle air-conditioning systems
Technicians working with medium, high, and very high-pressure appliances
Technicians working with residential heating systems
What is the maximum leak rate for commercial refrigeration as of January 1, 2019?
10% of the charge per year
20% of the charge per year
30% of the charge per year
40% of the charge per year
What must be done if an appliance with 50 or more pounds of refrigerant exceeds the threshold leak rate?
Repair the appliance within 30 days
Replace the appliance immediately
Ignore the leak if it's minor
Conduct a verification test within 60 days
How is the applicable maximum leak rate determined for an appliance with dual use?
By the lowest percentage of use
By the highest percentage of use
By the average percentage of use
By the total charge capacity
What is the maximum allowable leak rate for commercial refrigeration before requiring inspections?
10%
15%
20%
25%
How long can a cold storage warehouse operate an appliance leaking above the threshold rate without repair?
6 months
9 months
12 months
18 months
Leak inspections are required for ____________ according to the Section 608 Leak repair Regulations.
Only new appliances exceeding the maximum allowable leak rate
Only appliances with over 500 pounds of refrigerant exceeding the maximum allowable leak rate
All appliances with 50 pounds or more of refrigerant exceeding the maximum allowable leak rate
Only for residential appliances exceeding the maximum allowable leak rate
What must be performed before any additional refrigerant is added to an appliance?
A follow-up verification test
A pressure test
An initial verification test
A temperature test
When first inspecting an operating hermetic system known to be leaking, you should first look for traces of what?
Liquid refrigerant pooled up
Oil or oil stains
Water pooled up
Liquid refrigerant Stains
When recovering a different refrigerant type than the last refrigerant recovered using that specific recovery equipment, What impurities might the recovered refrigerant and the recovery equipment contain?
Dust and pollen
Acids, moisture, and oil
Sand and gravel
Rust and metal shavings
How long must HVAC service companies keep records for each appliance disposed of?
1 year
2 years
3 years
5 years
What is the required evacuation level for a very high-pressure appliance during recovery?
0" Hg
10" Hg
15" Hg
20" Hg
What is the purpose of a moisture indicating sight glass in a refrigeration system?
To check refrigerant pressure
To check refrigerant temperature
To check refrigerant for moisture
To check refrigerant flow
What should be tested for in the oil if a compressor burn-out occurs?
Moisture
Acid
Refrigerant
Nitrogen
What is the condition for not requiring a refrigerant detector for R-717 according to ASHRAE Standard 15?
Continuous ventilation system
Intermittent ventilation system
No ventilation system
Manual ventilation system
