EPA Section 608 Type I_A

1. Split-systems ______________ by Type I technicians.

• may be serviced with 10 lbs. or less of refrigerant

• may be serviced with 5 lbs. or less of refrigerant

• may not be serviced

• are exempt from EPA restrictions

When converting a system to use a different refrigerant, only EPA-approved substitutes can be used. The following "drop-in" refrigerant is currently approved:

• CFC

• HFC

• HFO

• EPA does not approve any substitute refrigerants as a direct drop-in replacement

Persons who open or perform maintenance, service, or repair of Type I appliances containing a CFC, HCFC, or HFC, can use ______________.

• self-contained (active) recovery equipment

• (passive) system dependent recovery equipment

• either self-contained (active) or (passive) system dependent recovery equipment

• only OSHA approved equipment

System-dependent (passive) recovery equipment use for an appliance containing HCFCs or HFCs is limited to a maximum charge of ____________ of refrigerant.

• 1 lb.

• 3 lbs.

• 5 lbs.

• 15 lbs.

Self-contained recovery devices, for use with small appliances containing CFCs, HCFCs, HFCs, and HFOs, must be able to recover _______ of the refrigerant when the compressor is operating.

• 75%

• 80%

• 90%

• 100%

Self-contained recovery devices, for use with small appliances containing CFCs, HCFCs, HFCs, and HFOs, must be able to recover _______ of the refrigerant when the compressor is inoperative.

• 75%

• 80%

• 90%

• 100%

When filling a charging cylinder with a regulated refrigerant, the refrigerant that is vented off the top ______________.

• must be recovered

• may be vented

• is considered a de-minimis release and is not considered unlawful

• can be put in a mixed refrigerant recovery cylinder

A vacuum pump made for system dehydration ____________.

• may be used to evacuate a recovery cylinder to be used as a recovery device

• must never be used as a recovery device

• can be used in combination with a pressurized recovery cylinder or vessel for recovery.

• all answers are correct

__________ is an approved refrigerant for new household refrigerators, freezers, and combination refrigeration/freezers.

• HC R-600a

• HCFC R-142b

• CFC R-12

• HFC R-134a

When servicing a small appliance found to be leaking ____________.

• all leaks must be repaired

• it is not mandatory to repair the leak, but it is recommended to do so whenever possible.

• maximum leak rates are 10% of the charge per year

• maximum leak rates are 20% of the charge per year