EPA Core Test Bank Complete Flashcards

Front

What are the possible consequences for refrigeration technicians who violate the Clean Air Act?

Back

All of the above: lose their EPA 608 certification, be fined, and be required to appear in Federal court.

Front

After 1995, supplies of CFC refrigerants used to service existing refrigeration appliances in the United States can only come from:

Back

recovery and recycling.

Front

Refrigerants that are recovered can be

Back

returned to the same system and other systems owned by the same person without restriction.

Front

Refrigerants cannot be called “reclaimed” unless they

Back

have been chemically analyzed and the refrigerants meet the ARI-700 purity standard.

Front

What can happen if a technician fails to demonstrate competency in proper procedures for recovering and/or recycling refrigerant, as required by the EPA?

Back

Revocation of the technician's certification.

Front

What characteristic of CFC refrigerants makes them more likely to reach the stratosphere than most other compounds that contain chlorine?

Back

Refrigerants such as CFCs that contain chlorine but not hydrogen are so stable that they do not break down in the lower atmosphere. The chlorine (or bromine) only breaks down when it reacts with the ozone molecules up higher in the stratosphere, changing it to oxygen, thus breaking the ozone layer down.

Front

When is a system considered dehydrated?

Back

The vacuum indicator shows you have reached and held the required vacuum.

Front

Disposable refrigerant containers are used for ________ refrigerants.

Back

virgin / new

Front

Which refrigerant is an HCFC?

Back

R-124

Front

What is true about an azeotrope refrigerant mixture?

Back

It is a mixture that acts like a single component refrigerant over its entire range.