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
MACS 609 Certification Practice Questions with complete solutions |Latest 2024/2025 CA$12.22   Add to cart
Quickly navigate to
Preview
  2.  
  3. MACS 609 Certification
  4.  
  5. MACS 609 Certification

Exam (elaborations)

MACS 609 Certification Practice Questions with complete solutions |Latest 2024/2025
 8 views  0 purchase
  • Course
  • MACS 609 Certification
  • Institution
  • MACS 609 Certification

What should you do when replacing hoses? Make sure you have the correct type/size of tubing What does GWP stand for? Global Warming Potential CO2 is equal to what A/C system? R-744 HFO-1234yf systems are acceptable in what kinds of vehicles? Passenger cars, light-duty trucks, mediu...

[Show more]

Preview 2 out of 7  pages

Document information

  • September 16, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • macs 609 certification
  • macs 609
  • macs 609 certification practice questions with com

Written for

  • MACS 609 Certification
  • MACS 609 Certification

Seller

avatar-seller
AcademiaExpert

Reviews received

Content preview

MACS 609 Certification Practice Questions
_;- _;- _;- _;- _;-




with complete solutions.
_;- _;-




What are the 2 types of HFC-152a systems?
_;- _;- _;- _;- _;- _;- _;- _;-_;- _;- Direct expansion and _;- _;- _;-


secondary loop type _;- _;-




What should you do when replacing hoses?
_;- _;- _;- _;- _;- _;- _;-_;- _;- Make sure you have _;- _;- _;- _;-


the correct type/size of tubing
_;- _;- _;- _;-




What does GWP stand for?
_;- _;- _;- _;- _;-_;- _;- Global Warming Potential _;- _;-




CO2 is equal to what A/C system?
_;- _;- _;- _;- _;- _;- _;-_;- _;- R-744



HFO-1234yf systems are acceptable in what kinds of vehicles?
_;- _;- _;- _;- _;- _;- _;- _;- _;-_;- _;-


Passenger cars, light-duty trucks, medium-duty passenger vehicles, heavy-
_;- _;- _;- _;- _;- _;- _;-



duty pickup trucks, and complete heavy-duty vans
_;- _;- _;- _;- _;- _;-




HFO-1234yf systems are not acceptable in what kinds of vehicles?
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-_;- _;-


Heavy-duty trucks, refrigerated transport, and off-road vehicles such as
_;- _;- _;- _;- _;- _;- _;- _;- _;-


farm equipment
_;-




HFO-1234yf is classified by ASHRAE as what? _;- _;- _;- _;- _;- _;- _;-_;- _;- A2L- mildly flammable
_;- _;-




R-744 systems operate at ___ to ___ times higher than HFC-134a and
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-


HFC-152a systems. 5 to 10 _;- _;-_;- _;- _;- _;-

, HFC-152a is ___ _;- _;- _;-_;- _;- flammable



Direct Expansion _;- Refrigerant directly expands within the evaporator _;-_;- _;- _;- _;- _;- _;- _;- _;-



that is located inside the passenger compartment
_;- _;- _;- _;- _;- _;-




Secondary Loop (Open Loop) A circulating non-flammable fluid
_;- _;- _;- _;-_;- _;- _;- _;- _;- _;-



replaces the evaporator which provides isolation between the flammable
_;- _;- _;- _;- _;- _;- _;- _;- _;-


refrigerant and the passenger compartment _;- _;- _;- _;-




Section 609 of the Clean Air Act gives the EPA authority to do what?
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-_;-


Establish standards and requirements regarding the servicing of
_;- _;- _;- _;- _;- _;- _;- _;- _;-


mobile A/C systems _;- _;-




What/who establishes standards specifically for the service of motor
_;- _;- _;- _;- _;- _;- _;- _;- _;-


vehicle air conditioning systems (MVAC's)?
_;- _;-Section 609 of the Clean _;- _;- _;-_;- _;- _;- _;- _;- _;- _;-


Air Act
_;-




How many categories of the Section 608 Certification are there?
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-_;- _;- 4 _;-


types



What are the 4 categories of Section 608 of the Clean Air Act?
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-_;- _;- 1.) _;-



Small Appliances, 2.) High Pressure Appliances, 3.) Low Pressure
_;- _;- _;- _;- _;- _;- _;- _;- _;-


Appliances, and 4.) All Appliances except MVACs _;- _;- _;- _;- _;- _;-




What type of Section 608 is Section 609 similar too?
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-_;- _;- Type 2 _;-

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 AcademiaExpert. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for CA$12.22. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

75057 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
CA$12.22
  • (0)
  Add to cart