Refrigeration & Air Conditioning Mechanic Red Seal · Question
When troubleshooting a refrigeration system with low superheat and a flooded evaporator, which component is a likely culprit?
A TXV stuck open allows too much refrigerant into the evaporator, leading to low superheat and potential flooding.
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Question: When troubleshooting a refrigeration system with low superheat and a flooded evaporator, which component is a likely culprit?
Answer options: ✅ Stuck open TXV
- Restricted liquid line filter drier
- Overcharge of refrigerant
- Faulty compressor valve plate
Correct answer: Stuck open TXV
Explanation: A TXV stuck open allows too much refrigerant into the evaporator, leading to low superheat and potential flooding.
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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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