Refrigeration & Air Conditioning Mechanic Red Seal · Question
According to Canadian safety codes, what is the maximum allowable pressure for a low-pressure side refrigerant recovery cylinder (e.g., for R-123)?
Low-pressure recovery cylinders are designed for refrigerants like R-123 and have a maximum working pressure often around 15 psig.
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Question: According to Canadian safety codes, what is the maximum allowable pressure for a low-pressure side refrigerant recovery cylinder (e.g., for R-123)?
Answer options: ✅ 15 psig
- 30 psig
- 60 psig
- 120 psig
Correct answer: 15 psig
Explanation: Low-pressure recovery cylinders are designed for refrigerants like R-123 and have a maximum working pressure often around 15 psig.
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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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