Refrigeration & Air Conditioning Mechanic Red Seal · Question
A typical domestic refrigerator uses what type of expansion device?
Domestic refrigerators commonly use capillary tubes as their expansion device due to their simplicity, low cost, and ability to handle fixed cooling loads effic
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Question: A typical domestic refrigerator uses what type of expansion device?
Answer options:
- Thermostatic Expansion Valve (TXV)
- Automatic Expansion Valve (AXV) ✅ Capillary Tube
- Electronic Expansion Valve (EEV)
Correct answer: Capillary Tube
Explanation: Domestic refrigerators commonly use capillary tubes as their expansion device due to their simplicity, low cost, and ability to handle fixed cooling loads efficiently without complex controls. This is a common application.
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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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