RAC 40 Quiz 6 Review | Latest Version |
2024/2025 | Graded A+
What is the primary purpose of the refrigerant in a cooling system?
To absorb heat from the environment and transfer it elsewhere.
What safety precaution should be taken when handling refrigerants?
Always wear protective glove...
RAC 40 Quiz 6 Review | Latest Version |
2024/2025 | Graded A+
What is the primary purpose of the refrigerant in a cooling system?
✔✔To absorb heat from the environment and transfer it elsewhere.
What safety precaution should be taken when handling refrigerants?
✔✔Always wear protective gloves and goggles to prevent skin and eye exposure.
Why is it important to monitor refrigerant levels in a system?
✔✔To ensure efficient operation and prevent compressor damage due to low refrigerant.
What is the role of a refrigerant compressor in the cooling cycle?
✔✔To increase the pressure of the refrigerant gas and circulate it through the system.
Which refrigerant has the lowest ozone depletion potential?
✔✔HFO-1234yf is known for its low ozone depletion potential.
1
, What is a common symptom of a refrigerant leak in a cooling system?
✔✔Unusual hissing sounds or a noticeable drop in cooling efficiency.
How does ambient temperature affect refrigerant performance?
✔✔Higher ambient temperatures can reduce the efficiency and cooling capacity of the
refrigerant.
What should be done if a refrigerant container is damaged?
✔✔It should be safely contained and returned to a certified disposal facility.
Which type of refrigerant is typically used in residential air conditioning systems?
✔✔R-410A is commonly used in residential AC systems.
What is the significance of the pressure-temperature relationship in refrigerants?
✔✔It allows technicians to diagnose system issues based on the pressure readings.
How often should refrigerant systems be serviced to maintain efficiency?
✔✔Regular maintenance should be performed at least once a year.
2
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 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 SterlingScores. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £7.49. You're not tied to anything after your purchase.
