Refrigeration & Air Conditioning Mechanic Red Seal · Question
Under the Canadian Environmental Protection Act (CEPA), what is the legal requirement for servicing a refrigeration system containing a Class I or Class II ozone-depleting substance (ODS)?
CEPA regulations mandate that only certified personnel (e.g., those holding a provincial ODS certification) are legally permitted to handle, recover, or work on
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Question: Under the Canadian Environmental Protection Act (CEPA), what is the legal requirement for servicing a refrigeration system containing a Class I or Class II ozone-depleting substance (ODS)?
Answer options:
- All refrigerant must be recovered into an approved recovery cylinder
- The system must be vented to atmosphere before repairs ✅ Only a technician certified by an approved provincial program can perform the work
- Propane (R-290) can be used as a temporary replacement
Correct answer: Only a technician certified by an approved provincial program can perform the work
Explanation: CEPA regulations mandate that only certified personnel (e.g., those holding a provincial ODS certification) are legally permitted to handle, recover, or work on systems containing ozone-depleting substances.
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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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