Refrigeration & Air Conditioning Mechanic Red Seal · Question
What is the typical consequence of a fouled condenser coil in a refrigeration system?
A dirty condenser hinders heat rejection, causing the high-side pressure to rise and reducing the system's efficiency and capacity.
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Question: What is the typical consequence of a fouled condenser coil in a refrigeration system?
Answer options: ✅ Increased head pressure and reduced cooling capacity.
- Decreased head pressure and increased cooling capacity.
- Lowered suction pressure and increased evaporator superheat.
- Higher suction pressure and reduced compressor discharge temperature.
Correct answer: Increased head pressure and reduced cooling capacity.
Explanation: A dirty condenser hinders heat rejection, causing the high-side pressure to rise and reducing the system's efficiency and capacity.
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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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