Refrigeration & Air Conditioning Mechanic Red Seal · Question
What is the primary function of an oil separator in a refrigeration system?
Oil separators are installed in the discharge line and remove entrained oil from the high-pressure vapor, returning it to the compressor crankcase.
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Question: What is the primary function of an oil separator in a refrigeration system?
Answer options:
- To separate oil from liquid refrigerant and return it to the compressor ✅ To separate oil from gaseous refrigerant and return it to the compressor
- To filter solid contaminants from the refrigerant oil
- To cool the compressor oil
Correct answer: To separate oil from gaseous refrigerant and return it to the compressor
Explanation: Oil separators are installed in the discharge line and remove entrained oil from the high-pressure vapor, returning it to the compressor crankcase.
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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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