Refrigeration & Air Conditioning Mechanic Red Seal · Question
What is the function of a solenoid valve in a refrigeration system?
Solenoid valves are electrically actuated to control the flow of refrigerant, often used for defrost or capacity control.
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Question: What is the function of a solenoid valve in a refrigeration system?
Answer options: ✅ To stop or start refrigerant flow electrically
- To reduce refrigerant pressure
- To increase refrigerant temperature
- To filter solid contaminants
Correct answer: To stop or start refrigerant flow electrically
Explanation: Solenoid valves are electrically actuated to control the flow of refrigerant, often used for defrost or capacity control.
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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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