Refrigeration & Air Conditioning Mechanic Red Seal · Question
In the vapour-compression cycle, what state is the refrigerant in as it enters the compressor?
The refrigerant enters the compressor as a low-pressure, superheated vapor to prevent liquid slugging and ensure efficient compression.
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Question: In the vapour-compression cycle, what state is the refrigerant in as it enters the compressor?
Answer options:
- High-pressure liquid
- Low-pressure subcooled liquid ✅ Low-pressure superheated vapor
- High-pressure saturated vapor
Correct answer: Low-pressure superheated vapor
Explanation: The refrigerant enters the compressor as a low-pressure, superheated vapor to prevent liquid slugging and ensure efficient compression.
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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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