Refrigeration & Air Conditioning Mechanic Red Seal · Question
What is the primary function of an accumulator in a refrigeration system?
An accumulator is installed in the suction line before the compressor to intercept and temporarily hold any liquid refrigerant that might otherwise return to th
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Question: What is the primary function of an accumulator in a refrigeration system?
Answer options:
- To store liquid refrigerant not needed by the evaporator ✅ To prevent liquid refrigerant from returning to the compressor
- To separate oil from the refrigerant mixture
- To facilitate subcooling of the liquid refrigerant
Correct answer: To prevent liquid refrigerant from returning to the compressor
Explanation: An accumulator is installed in the suction line before the compressor to intercept and temporarily hold any liquid refrigerant that might otherwise return to the compressor's suction. This protects the compressor from liquid slugging.
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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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