EPA Practice Test

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1/8 Questions

Which refrigerants contain the most chlorine?
- HFC's
- HCFC's
- CFC's
- Ammonia

About This Quiz

Section 608 of the Federal Clean Air Act requires persons who work with regulated refrigerants to become certified. Take this test to see whether you can be certified or not.

2.

The size of the orifice in a capillary tube metering device is
- 1.5mm
- Variable
- Adjustable
- Fixed
Correct Answer

A. Fixed
3.

Which refrigerant is a HCFC?
- R-11
- R-22
- R-114
- R-134a
Correct Answer

A. R-22
4.

The molecule found in the stratosphere that indicates that ozone depletion is taking place is ____________
- Radon
- Carbon monoxide
- Carbon dioxide
- Chlorine Monoxide
Correct Answer

A. Chlorine Monoxide
5.

Which refrigerant in a CFC?
- R-134a
- R-123
- R-22
- R-12
Correct Answer

A. R-12
6.

When did it become illegal to vent CFC and HCFC substitutes?
- Nov 1993
- July 1994
- Nov 1995
- July 1996
Correct Answer

A. Nov 1995
7.

Examples of high pressure refrigerators are _______________
- R-12,-114,-123
- R-11, -113, -123
- R-12, -114, -22
- R-500, -502, -11
Correct Answer

A. R-12, -114, -22
8.

How many molecules of ozone can be destroyed by one molecule of fluorine?
- 0
- 1
- 100
- 1000
Correct Answer

A. 0