the molecule found in cfcs and hcfcs that depletes
and skin cancer have been
a single chlorine atom can destroy how many ozone
ccctc hvac epa section 608 9 th edition core 2
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CCCTC HVAC: EPA 608
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CCCTC HVAC: EPA SECTION 608 9TH EDITION
CORE (2019/2020) EXAM QUESTIONS AND
ANSWERS
1. The molecule found in CFCs and HCFCs that depletes ozone is:
A. Fluorine
B. Hydrogen
C. Carbon
D. Chlorine Answer -Correct answer is D. Chlorine
Chlorine is the element that depletes the ozone by attaching itself to one atom of
oxygen from an ozone molecule. The oxygen molecule becomes O2 and chlorine
monoxide. (Page 8 ESCO EPA 9th Edition prep manual)
2. Crop loss, eye disease, and skin cancer have been attributed to
A. Depletion of Stratospheric nitrogen
B. Depletion of Stratospheric chlorine monoxide
C. Depletion of Stratospheric ozone
D. Depletion of Stratospheric oxygen Answer -Correct answer is C. Depletion of
Stratospheric Ozone
Depletion of stratosphere ozone will cause crop loss, increase eye diseases, skin
cancer, reduce marine life, and deforestation. . (Page 8 ESCO EPA 9th Edition prep
manual)
3. A single chlorine atom can destroy how many ozone molecules?
A. 100
B. 1,000
C. 10,000
D. 100,000 Answer -Correct answer is D 100,000
One atom of chlorine will destroy 100,000 molecules of ozone.
(Page 12 ESCO EPA 9th Edition prep manual)
4. The chlorine in CFCs and HCFCs
A. will dissolve in water.
B. will not dissolve in water.
C. will rain out of the atmosphere.
D. is heavier than air and cannot rise to the stratosphere. Answer -Correct answer is
B not dissolve in water
Chlorine compounds will not dissolve in water, or rain out of the atmosphere. .
(Page 12 ESCO EPA 9th Edition prep manual)
5. HCFCs contain
A. Chlorine ,Fluorine, and Carbon
B. Hydrogen, Chlorine, Fluorine, and Carbon
, C. Hydrogen, Fluorine, and Carbon
D. Hydrogen, Fluorine, and Olefin Answer -Correct answer is B Hydrogen, Chlorine,
Fluorine and Carbon
HCFC compound contain Hydrogen, Chlorine, Fluorine, and carbon.
(Page 12 ESCO EPA 9th Edition prep manual)
6. Which of the following has the highest Ozone Depletion Potential?
A. HFOs
B. HCFCs
C. HFCs
D. CFC's Answer -Correct answer is D CFC's
Based on EPA CFCs have the highest ozone depletion potential to destroy the ozone.
(Page 12 ESCO EPA 9th Edition prep manual)
7. Which of the following refrigerants is an HFO?
A. R-22
B. R-134a
C. R-410A
D. R-1234ze Answer -Correct answer is D R-1234ze.
A medium pressure range A2L refrigerant used in new heat pumps, vending machines
and chillers.) (Page 16 ESCO EPA 9th Edition prep manual)
8. How much can a person be fined per day per violation for knowingly releasing a
regulated substance that violates the Clean Air Act?
A. $10,000
B. $25,000
C. $37,000
D. $44,539 Answer -Correct answer is D $44,539
It is a violation of Section 608 of the Federal Clean Air Act to: Vent HFC's since July 1,
1992. (Page 9 ESCO EPA 9th Edition prep manual)
9. Recover any remaining refrigerant and then render the cylinder useless, then recycle
the metal is the proper disposal method for
A. Recovery cylinders
B. One pound cans
C. Disposable cylinders
D. Accumulator cylinders Answer -Correct answer is C Disposable cylinders
It is a violation of Section 608 of the Federal Clean Air Act.to: Dispose of a disposable
cylinder without first recovering any remaining refrigerant (to 0 psig.) and then rendering
the cylinder useless, then recycling the metal. (Page 14 ESCO EPA 9th Edition prep
manual)
10. Which international agreement (Treaty) regulated the production and use of CFCs,
HCFCs, halons, methyl chloroform and carbon tetrachloride?
A. Kyoto Treaty
B. Montreal Protocol
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