EPA 608 Core Test Sample Questions.pdf file:///C:/Users/HP/Desktop/TYPA%20NEW/EPA%20608%20Core%
EPA 608 Core Test Questions & Answers
1. As of what date did it become unlawful to release Class 1 and Class IIrefrigerants
to the atmosphere?
a. July 1, 1992
b. July 1, 1993
c. November 14, 1994
d. January 1, 1996
ANS a. July 1, 1992
2. What is the ozone layer and why is it important to us on Earth?
a. Thin layer of R-22 in the atmosphere that filters UV.
b. Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in
the stratosphere layer that extends about 6 to 30 miles aboveearth
c. Thin layer of CFC and HCFC in the atmosphere that filters UV.
d. Protective layer that shields UV in the Troposphere
1 of 159 8/8/2024, 2:46
,EPA 608 Core Test Sample Questions.pdf file:///C:/Users/HP/Desktop/TYPA%20NEW/EPA%20608%20Core%
ANS b. Protective shield forEarth from the sun's harmful ultraviolent (UV)
rays in the stratosphere layer that extends about 6 to 30 miles aboveearth
3. The atom found in CFC and HCFC refrigerants that destroys ozone in the
stratosphere is?
a. Fluorine
b. Carbon
c. Hydrogen
d. Chlorine
ANS d. Chlorine
4. What is an ozone molecule made of?
a. Refrigerant
b. Ammonia
c. Three oxygen atoms (O3).
d. Oxygen and ammonia.
ANS Three oxygen atoms (O3).
2 of 159 8/8/2024, 2:46
,EPA 608 Core Test Sample Questions.pdf file:///C:/Users/HP/Desktop/TYPA%20NEW/EPA%20608%20Core%
5. Which refrigerant is a CFC?
a. R-134A
b. R-123
c. R-22
d. R-12
ANS d. R-12
6. What is the name of the atom that attacks ozone molecules?
a. CFC atoms
b. HCFC atoms
c. Chlorine and bromine atoms emitted into the atmosphere
d. a and b
ANS c. Chlorine and bromine atoms emitted into the atmosphere
7. Which refrigerant is a HFC?
a. R-134A
3 of 159 8/8/2024, 2:46
,EPA 608 Core Test Sample Questions.pdf file:///C:/Users/HP/Desktop/TYPA%20NEW/EPA%20608%20Core%
b. R-123
c. R-22
d. R-12
ANS a. R-134A
8. Describe how one Chlorine atom can destroy 100,000 ozone molecules.
a. Chlorine releases one of the oxygen atoms and forms two O2 oxygenmolecules,
leaving the chlorine molecule free to attack another
ozone molecule and repeat the process.
b. Chlorine locks up the ozone molecule and then and then goes afteranother.
c. Chlorine converts the ozone to bromine and then attacks more ozonemolecules.
d. Chlorine can bleach 100,000 ozone molecules before it weakens.
ANS a.Chlorinereleases one of the oxygen atoms and forms two O2 oxygen molecules, leaving
thechlorine molecule free to attack another
ozone molecule and repeat the process.
9. Which refrigerant contains no chlorine?
4 of 159 8/8/2024, 2:46
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BESTGOODIES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.