100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
EPA Certification Exam Questions And Answers With Verified Updates $7.99
Add to cart
Quickly navigate to
Preview
  2.  
  3. EPA Certification
  4.  
  5. EPA Certification

Exam (elaborations)

EPA Certification Exam Questions And Answers With Verified Updates
 0 purchase
  • Course
  • EPA Certification
  • Institution
  • EPA Certification

To recover refrigerant is to: - Remove refrigerant is any condition from a system in either an active or passive manner, and store it in an external container without necessarily testing or processing. The required evacuation level for recovering refrigerant from a low pressure appliance with a r...

[Show more]

Preview 2 out of 10  pages

Document information

  • August 26, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

Written for

  • EPA Certification
  • EPA Certification

Seller

avatar-seller
ACADEMICMATERIALS

Reviews received

Content preview

EPA Certification Exam

To recover refrigerant is to: - Remove refrigerant is any condition from a system in either an active
or passive manner, and store it in an external container without necessarily testing or processing.



The required evacuation level for recovering refrigerant from a low pressure appliance with a recovery
machine manufactured AFTER November 15, 1993 is: - 25 mm Hg absolute



The process that reduces contaminate in used refrigerant by oil separation with single and multiple
passes through devices such as replaceable filter core driers, which reduces moisture, acidity, and
particulate matter is: - Recycling



The following actions would violate the clean air act (CAA): - 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



Which Refrigerants contain the most chlorine? - CFC's



As of what date did it become unlawful to intentionally release Class 1 and Class 2 refrigerants to the
atmosphere? - July 1, 1992



Which Refrigerants have the lowest zone depletion potential? - HFC's



The molecule found in CFC's and HCHC's refrigerants that destroys the ozone in the stratosphere is: -
Chlorine



Stratospheric ozone consists of: - Three oxygen atoms

, Stratospheric ozone depletion is a _________ problem: - Global



The Gas in the stratosphere that protects us from ultraviolet radiation is: - Ozone



Which refrigerant is a CFC? - R-12



Which refrigerant is an HCFC? - R-123 & R-22



Which refrigerant is an HFC? - R-134a



Which refrigerant contains no chlorine? - R-134a



The Molecule found in the stratosphere that indicates stratospheric ozone depletion is taking place is: -
Chlorine monoxide




One time (disposable) refrigerant cylinders are used for: - Virgin refrigerant



The rule of thumb for refilling approved cylinders is a maximum of _____ percent liquid? - 80%



The time it takes to properly evacuate and dehydrate a system prior to charging with refrigerant is
determined by the: - Total volume of the system

Amount of non-condensibles (moisture) in the system

Ambient Temperature



A system that fails to hold a vacuum after the evacuation process: - May contain moisture

May have a leak



The synthetic lubricant used with HCFC-based ternary blends is: - Alkyl benzene

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 ACADEMICMATERIALS. 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)

69052 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 15 years now

Start selling
$7.99
  • (0)
Add to cart
Added