Refrigeration & Air Conditioning Mechanic Red Seal · Question
Which type of refrigerant is classified as an HFO (hydrofluoroolefin) and is gaining popularity as a lower Global Warming Potential (GWP) alternative to HFCs?
R-1234yf is a hydrofluoroolefin (HFO) refrigerant, characterized by its very low GWP and single carbon-carbon double bond. R-22 is an HCFC, R-134a is an HFC, an
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Question: Which type of refrigerant is classified as an HFO (hydrofluoroolefin) and is gaining popularity as a lower Global Warming Potential (GWP) alternative to HFCs?
Answer options:
- R-22
- R-134a ✅ R-1234yf
- R-744
Correct answer: R-1234yf
Explanation: R-1234yf is a hydrofluoroolefin (HFO) refrigerant, characterized by its very low GWP and single carbon-carbon double bond. R-22 is an HCFC, R-134a is an HFC, and R-744 is carbon dioxide (CO2).
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Question explanations
- Which of the following refrigerants is a hydrofluorocarbon (HFC) and has a high ozone depletion potential (ODP
- Which component is responsible for compressing the refrigerant vapour to a high pressure and temperature?
- According to the Canadian Electrical Code (CEC), what is the minimum required working clearance in front of el
- What is the main operating characteristic difference between a fixed orifice (capillary tube) and a Thermostat
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