Refrigeration & Air Conditioning Mechanic Red Seal · Question
What does a high discharge temperature but normal suction temperature often indicate in a refrigeration compressor?
Worn compressor valves can lead to re-expansion of gas, causing the compressor to work harder and increasing discharge temperature without significantly impacti
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Question: What does a high discharge temperature but normal suction temperature often indicate in a refrigeration compressor?
Answer options: ✅ Inefficient compressor operation (e.g., worn valves).
- Undercharge of refrigerant.
- Overcharge of refrigerant.
- Plugged liquid line filter drier.
Correct answer: Inefficient compressor operation (e.g., worn valves).
Explanation: Worn compressor valves can lead to re-expansion of gas, causing the compressor to work harder and increasing discharge temperature without significantly impacting suction temperature.
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- 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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