Refrigeration & Air Conditioning Mechanic Red Seal · Question
What is the primary purpose of a hot gas bypass valve in a refrigeration system?
A hot gas bypass valve diverts discharge gas directly to the evaporator or suction line, effectively reducing the compressor's net cooling capacity during low-l
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Question: What is the primary purpose of a hot gas bypass valve in a refrigeration system?
Answer options: ✅ To reduce compressor capacity at low loads
- To increase evaporator superheat
- To bypass refrigerant around the condenser
- To prevent liquid floodback to the compressor
Correct answer: To reduce compressor capacity at low loads
Explanation: A hot gas bypass valve diverts discharge gas directly to the evaporator or suction line, effectively reducing the compressor's net cooling capacity during low-load conditions.
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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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