Exam (elaborations)
EPA Universal Exam Questions & Answers.
- Course
- Institution
EPA Universal Exam Questions & Answers.
[Show more]
Content preview
EPA Universal Exam Questions & AnswersWhich refrigerants contain the most chlorine? - ANS-CFC.
n n n n n n n n
R11,R12,R500.
As of what date did it become unlawful to intentionally release Class I and Class II
n n n n n n n n n n n n n n n
refrigerants to the atmosphere? - ANS-July 1 1992.
n n n n n n n n
Which refrigerants have the lowest ozone depletion potential (ODP)? - ANS-HFC.
n n n n n n n n n n n
R134a.
The molecule found in CFC and HCFC refrigerants that destroys ozone in the
n n n n n n n n n n n n
stratosphere is: - ANS-Chlorine.
n n n n
Stratospheric ozone consists of: - ANS-Three oxygen atoms.
n n n n n n n
Stratospheric ozone depletion is a___problem: n n n n
a. American
n
b. Global
n
c. Local
n
d. United Nations - ANS-Global.
n n n n
The gas in the stratosphere that protects us from ultraviolet radiation is:
n n n n n n n n n n n
a. Radon.
n
b. Sulfur Dioxide.
n n
c. Carbon Dioxide.
n n
d. Ozone - ANS-Ozone.
n n n
Which refrigerant is a CFC?
n n n n n
a. R-134a.
n
b. R-123.
n n
c. R-22.
n n
d. R-12. - ANS-R12.
n n n
Which refrigerant is an HCFC?
n n n n
a. R-134a.
n
b. R-123.
n
c. R-22.
n
d. B and C above. - ANS-D.
n n n n n n
R123.
R22.
, Which refrigerant is an HFC?n n n n n
a. R-134a.
n
b. R-123.
n n
c. R-22.
n n
d. R-12. - ANS-R134a.
n n n
Which refrigerant contains no chlorine?
n n n n n
a. R-134a.
n
b. R-123.
n n
c. R-22.
n n
d. R-12. - ANS-R134a.
n n n
The molecule found in the stratosphere that indicates stratospheric ozone depletion is
n n n n n n n n n n n
taking place is:
n n n
a. Carbon dioxide.
n n
b. Carbon monoxide.
n n
c. Chlorine monoxide.
n n
d. Radon. - ANS-A.
n n n
Chlorine monoxide. n
The following actions would violate the Clean Air Act (CAA):
n n n n n n n n n
a. Knowingly releasing Class I and Class II substances.
n n n n n n n n
b. Failing to keep or falsifying required records.
n n n n n n n
c. Failing to reach the required evacuation levels before opening a system to.
n n n n n n n n n n n n
the atmosphere for service.
n n n
d. All of the above. - ANS-D.
n n n n n n
All of the above.
n n n
One time (disposable) refrigerant cylinders are used for:
n n n n n n n
a. Sending refrigerant for reclaim.
n n n n
b. Containing recovered refrigerant.
n n n
c. Recycling refrigerant.
n n
d. Virgin refrigerant. - ANS-D.
n n n n n
Virgin refrigerant. n
The rule of thumb for refilling approved cylinders is a maximum of [ ] percent liquid?
n n n n n n n n n n n n n n n
a. 60%.
n
b. 70%.
n
c. 80%.
n
d. 90%. - ANS-C.
n n n n
80%
The time it takes to properly evacuate and dehydrate a system prior to charging with
n n n n n n n n n n n n n n
refrigerant is determined by the:
n n n n n
a. Total volume of the system.
n n n n n
b. Amount of non-condensable(s) (moisture) in the system.
n n n n n n n
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 Prose1. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
72042 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now