Refrigeration & Air Conditioning Mechanic Red Seal · Question
Which category of refrigerants is known for having zero Ozone Depletion Potential (ODP) but high Global Warming Potential (GWP)?
HFCs (hydrofluorocarbons) like R-134a and R-410A have no chlorine, so they don't deplete ozone, but they are potent greenhouse gases.
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Question: Which category of refrigerants is known for having zero Ozone Depletion Potential (ODP) but high Global Warming Potential (GWP)?
Answer options:
- CFCs
- HCFCs ✅ HFCs
- HFOs
Correct answer: HFCs
Explanation: HFCs (hydrofluorocarbons) like R-134a and R-410A have no chlorine, so they don't deplete ozone, but they are potent greenhouse gases.
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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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