Refrigeration & Air Conditioning Mechanic Red Seal · Question
Which pressure reading is typically taken AFTER the expansion device and BEFORE the evaporator coil?
The expansion device causes a significant pressure drop. The pressure immediately after the expansion device and within the evaporator coil is referred to as th
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Question: Which pressure reading is typically taken AFTER the expansion device and BEFORE the evaporator coil?
Answer options:
- Discharge pressure
- Suction pressure
- Liquid line pressure ✅ Evaporator pressure
Correct answer: Evaporator pressure
Explanation: The expansion device causes a significant pressure drop. The pressure immediately after the expansion device and within the evaporator coil is referred to as the evaporator pressure (or low-side pressure).
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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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