Refrigeration & Air Conditioning Mechanic Red Seal · Question
What is the purpose of a solenoid valve in the liquid line of a refrigeration system?
A liquid line solenoid valve electrically controls the flow of liquid refrigerant to the expansion device and evaporator, often used for pump-down cycles.
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Question: What is the purpose of a solenoid valve in the liquid line of a refrigeration system?
Answer options:
- Prevent liquid slugging at the compressor ✅ Control the flow of liquid refrigerant to the evaporator
- Bypass refrigerant around the condenser
- Regulate system high-side pressure
Correct answer: Control the flow of liquid refrigerant to the evaporator
Explanation: A liquid line solenoid valve electrically controls the flow of liquid refrigerant to the expansion device and evaporator, often used for pump-down cycles.
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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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