Refrigeration & Air Conditioning Mechanic Red Seal · Question
Which of the following refrigerants is hydrochlorofluorocarbon (HCFC) and is being phased out under Canadian regulations due to its ozone-depleting potential?
R-22 is a hydrochlorofluorocarbon (HCFC) with ozone-depleting potential, making it subject to phase-out regulations in Canada and internationally under the Mont
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Question: Which of the following refrigerants is hydrochlorofluorocarbon (HCFC) and is being phased out under Canadian regulations due to its ozone-depleting potential?
Answer options:
- R-134a
- R-410A ✅ R-22
- R-744 (CO2)
Correct answer: R-22
Explanation: R-22 is a hydrochlorofluorocarbon (HCFC) with ozone-depleting potential, making it subject to phase-out regulations in Canada and internationally under the Montreal Protocol. R-134a and R-410A are HFCs, and R-744 is a natural refrigerant.
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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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