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.
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, 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.
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