CHS Type I

What is a small appliance defined as by the EPA?

• A low pressure appliance with 30 psig or lower

• A pre-assembled unit, hermetically sealed, and factory charged with 5 lbs of refrigerant or less

• An appliance containing 5 lbs of refrigerant or more

• A toaster

Which of the following are examples of a small appliances?

• Home refrigerator and window AC unit

• Chiller and centrifugal

• Heat pump and convenience store refrigerator

• A microwave

As of November 15, 1993, what percentage of refrigerant must be recovered from a small appliance if the compressor is functioning?

• 80%

• 70%

• 50%

• 90%

As of November 15, 1993, what percentage of refrigerant must be recovered from a small appliance if the compressor is NOT functioning?

• 70%

• 80%

• 50%

• 0%

A technician recovering refrigerant during maintenance or repair of a small appliance must have ___.

• A Type III Certification

• A Type II and Type III Certification

• A Type I or Universal Certification

• A Type II Certification

To satisfy the rules on refrigerant recovery from a small appliance, the technician can evacuate the small appliance to what minimum level?

• 0 psig

• 10 inches of mercury vacuum

• 4 inches of mercury vacuum

• 5 psig

How can you find out what type of refrigerant is in an appliance?

• just guess, all refrigerants are the same

• ask the owner

• visually inspect the refrigerant

• check the unit data plate

Why should you never mix refrigerants?

• it is difficult to reclaim and very expensive to destroy

• All of these

• the reclamation facility may refuse it

• the reclamation facility may destroy it at the owner's expense

How can you prevent oil migration when using a recovery unit on a system containing only a few ounces of refrigerant?

• recover from both the high and low side of the system

• recover from the low side of the system

• recover from the high side of the system

• You can not prevent this

What type of recovery equipment uses a self contained recovery unit to remove refrigerant from an appliance?

• passive recovery equipment

• self-contained (active) recovery equipment

• This is not the correct answer

• This is the correct answer, wink wink.