Refrigeration & Air Conditioning Mechanic Red Seal · Question
What is the primary purpose of a thermostatic expansion valve (TXV) in a refrigeration system?
The TXV meters the correct amount of refrigerant into the evaporator based on superheat, optimizing cooling.
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Question: What is the primary purpose of a thermostatic expansion valve (TXV) in a refrigeration system?
Answer options: ✅ To regulate refrigerant flow to the evaporator
- To separate liquid and vapour refrigerant
- To store excess refrigerant
- To filter refrigerant impurities
Correct answer: To regulate refrigerant flow to the evaporator
Explanation: The TXV meters the correct amount of refrigerant into the evaporator based on superheat, optimizing cooling.
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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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