FAB-101 EPA Week 3 Homework (Type I)

Which type of refrigerants cannot be used for new Type I appliances?

• CFCs

• HOCFCs

• HFCs such as R-404A

• HFOs

What is the maximum charge for passive recovery equipment use for appliances containing HCFCs or HFCs?

• 10 pounds

• 20 pounds

• 15 pounds

• 5 pounds

What should be used to minimize the release of refrigerant when attaching a gauge set?

• Open-ended hoses

• Manual or self-sealing valves

• Quick-release connectors

• Standard hoses

What is an example of an appliance that can use a passive recovery device?

• Industrial freezer

• Domestic refrigerator

• Commercial air conditioner

• Automotive air conditioner

What must recovery devices achieve for the purpose of disposal of small appliances with an inoperative compressor?

• 70% recovery

• 80% recovery

• 90% recovery

• 100% recovery

Which refrigerant is approved for new household refrigerators, freezers, and combination refrigeration/freezers?

• R-290

• R-450A

• R-600a

• R-744

A vacuum pump made for system dehydration may be used to evacuate a recovery cylinder to be used as a recovery device, however it cannot be used

• with a pressurized recovery cylinder or vessel for recovery

• with a depressurized recovery cylinder or vessel for recovery

• with a recovery cylinder or vessel for recovery brought to 500 microns

• with a recovery cylinder or vessel for recovery brought to 50 microns

What should be done when servicing a small appliance found to be leaking?

• Ignore the leak

• Repair the leak whenever possible

• Replace the appliance

• Use a different refrigerant

Which refrigerant is generally not needed to be recovered due to its high pressure?

• R-600a

• R-410A

• R-744

• R-290

What should be done if a technician suspects the refrigerant in a recovery cylinder to be contaminated?

• Ignore the contamination

• Take a pressure measurement and compare it to a PT chart

• Immediately dispose of the refrigerant

• Use the refrigerant without checking