Refrigeration & Air Conditioning Mechanic Red Seal · Question
What is the primary factor that determines the boiling point of a refrigerant in the evaporator?
The boiling point of a refrigerant is directly dependent on the pressure it is subjected to. Lower pressure allows it to boil at a lower temperature, and higher
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Question: What is the primary factor that determines the boiling point of a refrigerant in the evaporator?
Answer options:
- The ambient temperature
- The refrigerant charge amount ✅ The pressure in the evaporator
- The compressor's discharge temperature
Correct answer: The pressure in the evaporator
Explanation: The boiling point of a refrigerant is directly dependent on the pressure it is subjected to. Lower pressure allows it to boil at a lower temperature, and higher pressure at a higher temperature (pressure-temperature relationship).
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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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