Exam (elaborations)
EPA CERTIFICATION EXAM/100 QUESTIONS AND ANSWERS (A+)
- Course
- Institution
EPA CERTIFICATION EXAM/100 QUESTIONS AND ANSWERS (A+)
[Show more]
Seller
Follow
HELLENAH
Reviews received
Content preview
EPA CERTIFICATION EXAM/100QUESTIONS AND ANSWERS (A+)
Which Refrigerants contain the most chlorine? -
√Answer :CFC's
Quiz :As of what date did it become unlawful to
intentionally release Class 1 and Class 2 refrigerants to
the atmosphere? - √Answer :July 1, 1992
Quiz :Which Refrigerants have the lowest zone
depletion potential? - √Answer :HFC's
Quiz :The molecule found in CFC's and HCHC's
refrigerants that destroys the ozone in the stratosphere
is: - √Answer :Chlorine
Quiz :Stratospheric ozone consists of: -
√Answer :Three oxygen atoms
Quiz :Stratospheric ozone depletion is a _________
problem: - √Answer :Global
Quiz :The Gas in the stratosphere that protects us from
ultraviolet radiation is: - √Answer :Ozone
Quiz :Which refrigerant is a CFC? - √Answer :R-12
Quiz :Which refrigerant is an HCFC? - √Answer :R-123
& R-22
Quiz :Which refrigerant is an HFC? - √Answer :R-134a
, Quiz :Which refrigerant contains no chlorine? -
√Answer :R-134a
Quiz :The Molecule found in the stratosphere that
indicates stratospheric ozone depletion is taking place
is: - √Answer :Chlorine monoxide
Quiz :The following actions would violate the clean air
act (CAA): - √Answer :Knowingly releasing Class 1
Class 2 substances
failing to keep or falsifying required records
failing to tech the required evacuation levels before
opening a systems to the atmosphere for service
Quiz :One time (disposable) refrigerant cylinders are
used for: - √Answer :Virgin refrigerant
Quiz :The rule of thumb for refilling approved cylinders
is a maximum of _____ percent liquid? - √Answer :80%
Quiz :The time it takes to properly evacuate and
dehydrate a system prior to charging with refrigerant is
determined by the: - √Answer :Total volume of the
system
Amount of non-condensibles (moisture) in the system
Ambient Temperature
Quiz :A system that fails to hold a vacuum after the
evacuation process: - √Answer :May contain moisture
May have a leak
Quiz :To recover refrigerant is to: - √Answer :Remove
refrigerant is any condition from a system in either an
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 HELLENAH. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
76462 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now