Refrigeration & Air Conditioning Mechanic Red Seal · Question
Which type of compressor uses impellers to centrifugally accelerate refrigerant vapor, primarily used in large-capacity HVAC systems?
Centrifugal compressors are characterized by their high volume, low-pressure ratio operation, suitable for large systems.
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Question: Which type of compressor uses impellers to centrifugally accelerate refrigerant vapor, primarily used in large-capacity HVAC systems?
Answer options: ✅ Centrifugal compressor
- Reciprocating compressor
- Scroll compressor
- Rotary compressor
Correct answer: Centrifugal compressor
Explanation: Centrifugal compressors are characterized by their high volume, low-pressure ratio operation, suitable for large systems.
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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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