Refrigeration & Air Conditioning Mechanic Red Seal · Question
What is the maximum allowed leakage rate for an HFC refrigeration system containing 50 kg or more of refrigerant, according to Canadian environmental regulations?
Canadian regulations (like the Federal Halocarbon Regulations) often specify a maximum allowable leak rate, typically 10% per year for larger systems.
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Question: What is the maximum allowed leakage rate for an HFC refrigeration system containing 50 kg or more of refrigerant, according to Canadian environmental regulations?
Answer options: ✅ 10% of the charge per year
- 5% of the charge per year
- 20% of the charge per year
- No measurable leak permitted
Correct answer: 10% of the charge per year
Explanation: Canadian regulations (like the Federal Halocarbon Regulations) often specify a maximum allowable leak rate, typically 10% per year for larger systems.
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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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Other Canadian certifications candidates often prepare for alongside this one.