Answer :
Final answer:
Refrigeration is the process of removing heat from a space or substance to provide cooling. Air conditioners, heat pumps, and refrigerators transfer heat from cold to hot environments. Gas compression is a common method in refrigeration.
Explanation:
Refrigeration: Understanding the Definition and Process
Refrigeration is the process of removing heat from a space or substance to provide cooling. This is achieved by transferring energy through a mechanical refrigeration cycle, where a refrigerant undergoes evaporation and condensation, resulting in the extraction of heat.
Air conditioners, heat pumps, and refrigerators utilize heat transfer from cold to hot environments to cool spaces or substances by transferring heat out of a cool environment to a warmer one.
Gas compression is a common method in refrigeration where a liquid is evaporated in one part of the system, compressed into vapor, and then cooled by heat transfer in another part.
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