Refrigeration & Air Conditioning Mechanic Red Seal · Question
What is the primary function of a thermostatic expansion valve (TXV) in a refrigeration system?
The TXV controls the flow of liquid refrigerant to the evaporator to achieve optimal heat transfer and maintain a consistent superheat value.
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Question: What is the primary function of a thermostatic expansion valve (TXV) in a refrigeration system?
Answer options: ✅ To meter refrigerant into the evaporator and maintain a constant superheat.
- To reduce the pressure of refrigerant before it enters the condenser.
- To separate liquid refrigerant from vapor before entering the compressor.
- To increase the pressure and temperature of refrigerant vapor.
Correct answer: To meter refrigerant into the evaporator and maintain a constant superheat.
Explanation: The TXV controls the flow of liquid refrigerant to the evaporator to achieve optimal heat transfer and maintain a consistent superheat value.
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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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