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
HVAC Test Questions and Correct Answers $10.49
Add to cart
Quickly navigate to
Preview
  2.  
  3. HVAC
  4.  
  5. HVAC

Exam (elaborations)

HVAC Test Questions and Correct Answers
 0 purchase
  • Course
  • HVAC
  • Institution
  • HVAC

HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HVAC Test HV...

[Show more]

Preview 3 out of 16  pages

Document information

  • August 15, 2024
  • 16
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • hvac test questions and correct answers

Written for

  • HVAC
  • HVAC

Seller

avatar-seller
ExamArsenal

Reviews received

Content preview

HVAC Test Questions and Correct Answers
Which of the following refrigerants contains chlorine?

✓ ~~~ R-22




What is being done in the U.S, to stop damage to the stratospheric ozone layer?

✓ ~~~ Phasing out the use of chlorofluorocarbons (CFCs) and
hydrochlorofluorocarbons (HCFCs).




Which of the following is NOT a violation of the refrigerant management regulations

under the Clean Air Act?

✓ ~~~ Failing to evacuate refrigerant in a leaking system to at least 0 psig.



Which refrigerant can be purchased by someone who is NOT a Section 608

certified technician?

✓ ~~~ Carbon Dioxide refrigerant.



Which of the following appliances is NOT covered by EPA Section 608 regulations?

✓ ~~~ Desiccant dehumidifiers




When do EPA's refrigerant management regulations exempt refrigerant from the

venting prohibition?

✓ ~~~ When the EPA has determined that the refrigerant in that type of appliance
does not pose a threat to the environment if released.

,Which of the following refrigerant releases is considered a violation of the prohibition

on venting?

✓ ~~~ Refrigerants emitted when connecting or disconnecting low loss hoses to
charge or service an appliance.




What synthetic lubricant is presently used with ternary blends containing HCFCs?

✓ ~~~ Ester.




Which of the following is NOT a "refrigerant" as it is used in EPA's refrigerant

management regulations?

✓ ~~~ A leak trace gas.



Which component changes a low-pressure vapor to a high-pressure vapor?

✓ ~~~ Compressor.



Manufacturers often color code the exterior of gauges. What color is the high-

pressure gauge on a typical gauge manifold set?

✓ ~~~ Red




Which word applies to the process that returns refrigerant to new product

specifications and that requires chemical analysis?

✓ ~~~ Reclaim

, What gas should be used to leak check a system designed for use with R-410A that

has been opened for a major system repair?

✓ ~~~ Pressurized nitrogen



What should a technician do if they discover that some R-410A was added to an R-

22 system?

✓ ~~~ Recover the mixture in a separate recovery tank.



Why should a system be evacuated?

✓ ~~~ To dehydrate the system.



What are the two factors that, if present, are most likely to lead to an explosion with

hydrocarbon refrigerants?

✓ ~~~ A sufficient concentration of the refrigerant in the space and an ignition source.



How frequently must reusable containers for refrigerants that are under high

pressure (above 15 psig) at normal ambient temperature be hydrostatically tested?

✓ ~~~ 5 years.




The Department of Transportation regulations require which parameter to be

recorded on the shipping paper for hazard class 2.2 Nonflammable Compressed

Gases?

✓ ~~~

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 ExamArsenal. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $10.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

67479 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
$10.49
  • (0)
Add to cart
Added