Final answer:
The component that raises refrigerant-vapor pressure before it enters the condenser is the compressor. It takes low-pressure vapor from the evaporator and compresses it to a high-pressure vapor. This process is critical for effective heat transfer in the refrigeration cycle.
Explanation:
Understanding Refrigeration Cycle Components
In a refrigeration cycle, the component that raises refrigerant-vapor pressure before it enters the condenser is the compressor. The compressor takes in low-pressure vapor refrigerant from the evaporator and compresses it, resulting in a high-pressure vapor.
This high-pressure vapor then enters the condenser, where it releases heat and turns back into a liquid refrigerant. Without the compressor, the refrigerant would not achieve the necessary pressure to effectively transfer heat in the refrigeration system.
Key Functions of Refrigeration Components
- Evaporator: Absorbs heat and converts the refrigerant from liquid to vapor.
- Compressor: Increases the pressure of the refrigerant vapor.
- Condenser: Releases heat and converts the refrigerant back to liquid.
- Metering Device: Regulates the flow of refrigerant into the evaporator.
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