Refrigeration & Air Conditioning Mechanic Red Seal · Question
The primary role of a check valve in a hot gas bypass line is to:
A check valve in a hot gas bypass line is crucial. It ensures that refrigerant only flows from the discharge side to the suction side when the bypass is active,
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Question: The primary role of a check valve in a hot gas bypass line is to:
Answer options:
- Regulate the flow of hot gas to the evaporator ✅ Prevent refrigerant from flowing back into the discharge line from the bypass
- Ensure the bypass line is always open
- Relieve excess pressure in the bypass line
Correct answer: Prevent refrigerant from flowing back into the discharge line from the bypass
Explanation: A check valve in a hot gas bypass line is crucial. It ensures that refrigerant only flows from the discharge side to the suction side when the bypass is active, preventing undesired flow when the bypass is closed or under normal operation.
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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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