Refrigeration & Air Conditioning Mechanic Red Seal · Question
According to the CSA B52 Mechanical Refrigeration Code, what is the required relief device setting for a refrigeration system with a design pressure of 250 psig?
Relief devices must be set to open at a pressure no greater than the design pressure of the component or system they protect.
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Question: According to the CSA B52 Mechanical Refrigeration Code, what is the required relief device setting for a refrigeration system with a design pressure of 250 psig?
Answer options: ✅ Not exceeding the design pressure
- 10% above design pressure
- 25% above design pressure
- 5 psig above design pressure
Correct answer: Not exceeding the design pressure
Explanation: Relief devices must be set to open at a pressure no greater than the design pressure of the component or system they protect.
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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?
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- What is the main operating characteristic difference between a fixed orifice (capillary tube) and a Thermostat
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