Refrigeration & Air Conditioning Mechanic Red Seal · Question
Which type of refrigerant is characterized by having no chlorine atoms, making it non-ozone depleting, but often having a high Global Warming Potential (GWP)?
HFCs (e.g., R-134a, R-410A) contain hydrogen, fluorine, and carbon but no chlorine, so they do not deplete the ozone layer. However, many have high GWPs, leadin
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Question: Which type of refrigerant is characterized by having no chlorine atoms, making it non-ozone depleting, but often having a high Global Warming Potential (GWP)?
Answer options:
- CFC (Chlorofluorocarbon)
- HCFC (Hydrochlorofluorocarbon) ✅ HFC (Hydrofluorocarbon)
- HFO (Hydrofluoroolefin)
Correct answer: HFC (Hydrofluorocarbon)
Explanation: HFCs (e.g., R-134a, R-410A) contain hydrogen, fluorine, and carbon but no chlorine, so they do not deplete the ozone layer. However, many have high GWPs, leading to their global phase-down.
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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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