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EPA 608 Exam with Questions Correctly Answered
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EPA 608 Exam with Questions Correctly Answered
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EPA 608 Exam with QuestionsCorrectly Answered
1. The use and release of CFCs and HCFCs has a far reaching effect on ________. - ANSWER
a. the stratosphere
The introduction of CFCs and HCFCs has dramatically changed our lifestyles. Little did we
know that the use and release of these compounds into the atmosphere would have far
reaching effects on our environment. The greatest effect is in the stratosphere, far removed
from the Earth's surface. (Page 1 EPA's prep manual)
2. When a chlorine atom meets with an ozone molecule, it takes one ___________. - ANSWER
a. oxygen atom from the ozone
When a chlorine atom meets with an ozone molecule, it takes one oxygen atom from
the ozone. (Page 1 EPA's prep manual)
3. R-11 is a: - ANSWER a. CFC
Based on EPA's definition of CFC, R-11 is classified as a CFC. (Page 1 EPA's prep manual)
4. ODP is a measurement of CFCs and HCFCs ability to __________________. - ANSWER b.
destroy the ozone
Ozone Depletion Potential (ODP) is a measurement of CFC's and HCFC's ability to destroy
ozone. CFCs have been found in air samples taken from the stratosphere. The chlorine in these
compounds is the culprit. (Page 1 EPA's prep manual)
5. How many miles high is the stratosphere? - ANSWER a. 10 to 30
The stratosphere is the Earth's security blanket. It is located between 7 and 30 miles above sea
level and is comprised of, among other things, ozone. (Page 1 EPA's prep manual)
6. To take refrigerant out of a system, it must be _________. - ANSWER a. recovered
To remove refrigerant in any condition from a system and store it in an external container is
to recover it. (Page 2 EPA's prep manual)
, 7. The body of a recovery cylinder must be in what color? - ANSWER d. Gray
Approved refrigerant recovery cylinders can easily be identified by their colors, YELLOW TOPS
AND GRAY BODIES. (Page 4 EPA's prep manual)
8. R-134A is a: - ANSWER c. HFC
Based on EPA's definition, R-134A is classified as a HFC. (Page 1 EPA's prep manual)
9. Technicians servicing small appliances must be certified in refrigerant recovery if they:
- ANSWER c. Perform sealed system service.
Technicians servicing small appliances except motor vehicle air conditioning (MVAC) must
be certified in refrigerant recovery if they perform sealed system service. (Page 6 EPA prep
manual)
10. The EPA definition of a small appliance includes: - ANSWER b. Products manufactured,
charged, and hermetically sealed in a factory with 5 pounds of refrigerant or less.
The EPA definition of a small appliance includes products manufactured, charged, and
hermetically sealed in a factory with five pounds of refrigerant or less. (Page 6 EPA prep
manual)
11. Recovery equipment manufactured after November 15, 1993, must be __________. -
ANSWER a. certified by an EPA laboratory
Recovery equipment manufactured after November 15, 1993, must be certified by an EPA
approved testing laboratory, (example, U.L. or E.T.L) as capable of recovering 90% of the
refrigerant if the compressor is operating, 80% of the refrigerant if the compressor is not
operating, or achieving a 4 inch vacuum under the conditions of ARI 740. (Page 6 EPA prep
manual)
12. All equipment must be equipped with: - ANSWER c. Low loss fittings that can be
manually closed or close automatically when hose are disconnected to minimize the
refrigerant loss.
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