Refrigeration & Air Conditioning Mechanic Red Seal · Question
Which type of refrigerant has an ODP (Ozone Depletion Potential) of zero but a high GWP (Global Warming Potential)?
HFCs do not deplete the ozone layer but are potent greenhouse gases, leading to their phase-down under the Kigali Amendment.
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Question: Which type of refrigerant has an ODP (Ozone Depletion Potential) of zero but a high GWP (Global Warming Potential)?
Answer options: ✅ HFCs (Hydrofluorocarbons)
- CFCs (Chlorofluorocarbons)
- HCFCs (Hydrochlorofluorocarbons)
- HFOs (Hydrofluoroolefins)
Correct answer: HFCs (Hydrofluorocarbons)
Explanation: HFCs do not deplete the ozone layer but are potent greenhouse gases, leading to their phase-down under the Kigali Amendment.
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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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