Refrigeration & Air Conditioning Mechanic Red Seal · Question
What is the primary function of a filter dryer in a liquid line?
A filter dryer contains desiccants (like molecular sieves or activated alumina) to absorb moisture and a filter element to capture solid debris, protecting the
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Question: What is the primary function of a filter dryer in a liquid line?
Answer options:
- To store excess liquid refrigerant ✅ To remove moisture and solid contaminants from the refrigerant
- To regulate the flow of refrigerant to the evaporator
- To separate oil from the refrigerant
Correct answer: To remove moisture and solid contaminants from the refrigerant
Explanation: A filter dryer contains desiccants (like molecular sieves or activated alumina) to absorb moisture and a filter element to capture solid debris, protecting the expansion valve and compressor from damage and improving system longevity.
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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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