Refrigeration & Air Conditioning Mechanic Red Seal · Question
Which of the following components of a vapour compression refrigeration cycle is responsible for lowering the pressure and temperature of the refrigerant, allowing it to absorb heat in the evaporator?
The expansion device, such as a TXV or capillary tube, meters the refrigerant into the evaporator, reducing its pressure and temperature, which causes it to fla
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Question: Which of the following components of a vapour compression refrigeration cycle is responsible for lowering the pressure and temperature of the refrigerant, allowing it to absorb heat in the evaporator?
Answer options:
- Compressor
- Condenser
- Evaporator ✅ Expansion device
Correct answer: Expansion device
Explanation: The expansion device, such as a TXV or capillary tube, meters the refrigerant into the evaporator, reducing its pressure and temperature, which causes it to flash and begin absorbing heat.
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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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