EPA 608 - core Study Guide Rated A+
Which of the following refrigerant has a GWP of "1"?
A) R-22
B) R-1233zd
C) R-410A
D) R-134a
The molecule found in CFCs and HCFCs that depletes O-Zone is:
A) Fluorine
B) Chlorine
C) Hydrogen
D) Carbon
Recover any remaining refrigerant and then ren...
1). Which of the following refrigerant has a gwp of "1"?
a) r-22
b) r-1233zd
c) r-410a
d) r-134a
Ans: B) R-1233zd
2). The molecule found in cfcs and hcfcs that depletes o-zone is:
a) fluorine
b) chlorine
c) hydrogen
d) carbon
Ans: B) Chlorine
3). Recover any remaining refrigerant and then render the cylinder useless, then recycle the
metal is the proper disposal method for;
a) disposable cylinders
b) recovery cylinders
c) one pound cans
d) accumulator cylinders
Ans: A) disposable cylinders
4). The condenser __________________________.
a) changes a high-pressure vapor to a high-pressure liquid.
b) changes a low pressure liquid to a low pressure vapor.
c) changes a low-pressure vapor to a low-pressure liquid.
d) changes a high-pressure liquid to a low-pressure liquid.
Ans: A) Changes a high-pressure vapor to a high-pressure liquid.
PaperStoc.com Page 1 of 12
, 5). An ozone molecule contains;
a) four oxygen atoms
b) three oxygen atoms
c) two oxygen atoms
d) one oxygen atom
Ans: B) Three oxygen atoms.
6). The low-side test-pressure data-plate valve should be used by a technician to determine a
safe pressure for:
a) refrigerant charging
b) leak testing.
c) recovering refrigerant
d) retrofitting a system
Ans: B) leak testing.
7). Hcfcs contain;
a) hydrogen, fluorine, and olefin
b) hydrogen, chlorine, fluorine, and carbon
c) chlorine, fluorine, and carbon
d) hydrogen, fluorine, and carbon
Ans: B) hydrogen, chlorine, fluorine, and carbon.
8). Reusable refrigerant containers under high-pressure must be hydrostatically tested how
often?
a) 1 year
b) 3 years
c) 5 years
d) 7 years
Ans: C) 5 years
9). The compressor __________________________.
a) changes a high-pressure vapor to a high-pressure liquid.
b) changes a high-pressure liquid to a low pressure liquid.
PaperStoc.com Page 2 of 12
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 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 Academik001. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £13.70. You're not tied to anything after your purchase.
