Refrigeration & Air Conditioning Mechanic Red Seal · Question
According to the CSA B52 Mechanical Refrigeration Code, what is the maximum permissible test pressure for the low-side of an R-410A system?
The CSA B52 code specifies testing pressures based on design pressure, often significantly higher than operating pressure, for safety and integrity.
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Question: According to the CSA B52 Mechanical Refrigeration Code, what is the maximum permissible test pressure for the low-side of an R-410A system?
Answer options: ✅ Not less than 1.1 times the design pressure or 1700 kPa (246 psi), whichever is greater, up to 1.5 times
- 250 psi
- 500 psi
- 100 psi
Correct answer: Not less than 1.1 times the design pressure or 1700 kPa (246 psi), whichever is greater, up to 1.5 times
Explanation: The CSA B52 code specifies testing pressures based on design pressure, often significantly higher than operating pressure, for safety and integrity.
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- 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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