Refrigeration & Air Conditioning Mechanic Red Seal · Question
Which component is responsible for converting high-pressure liquid refrigerant into a low-pressure, low-temperature mixture of liquid and vapor?
The expansion valve (or metering device) drops the pressure and temperature of the refrigerant as it enters the evaporator.
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Question: Which component is responsible for converting high-pressure liquid refrigerant into a low-pressure, low-temperature mixture of liquid and vapor?
Answer options:
- Compressor
- Condenser
- Evaporator ✅ Expansion valve
Correct answer: Expansion valve
Explanation: The expansion valve (or metering device) drops the pressure and temperature of the refrigerant as it enters the evaporator.
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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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