EPA Practice Test
8 Questions
| Total Attempts: 694
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.
Questions and Answers
- 1.The size of the orifice in a capillary tube metering device is
- A.
1.5mm
- B.
Variable
- C.
Adjustable
- D.
Fixed
- 2.Examples of high pressure refrigerators are _______________
- A.
R-12,-114,-123
- B.
R-11, -113, -123
- C.
R-12, -114, -22
- D.
R-500, -502, -11
- 3.How many molecules of ozone can be destroyed by one molecule of fluorine?
- A.
0
- B.
1
- C.
100
- D.
1000
- 4.Which refrigerant in a CFC?
- A.
R-134a
- B.
R-123
- C.
R-22
- D.
R-12
- 5.Which refrigerants contain the most chlorine?
- A.
HFC's
- B.
HCFC's
- C.
CFC's
- D.
Ammonia
- 6.When did it become illegal to vent CFC and HCFC substitutes?
- A.
Nov 1993
- B.
July 1994
- C.
Nov 1995
- D.
July 1996
- 7.The molecule found in the stratosphere that indicates that ozone depletion is taking place is ____________
- A.
Radon
- B.
Carbon monoxide
- C.
Carbon dioxide
- D.
Chlorine Monoxide
- 8.Which refrigerant is a HCFC?
- A.
R-11
- B.
R-22
- C.
R-114
- D.
R-134a
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