In a vapor compression type refrigeration...

In a vapor compression type refrigeration...

Question 1 of 270705eccef9dbacbc34ba4d45e7e

In a vapor compression type refrigeration cycle, the refrigerant temperature decreases the most when passing through which system component?

Question 1 of 27070

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Study area:

Q

In a vapor compression type refrigeration cycle, the refrigerant temperature decreases the most when passing through which system component?

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🔍 Key Concepts

• Vapor compression refrigeration cycle stages (compression, condensation, expansion, evaporation) • Where pressure drops sharply and how pressure relates to saturation temperature • Difference between heat absorption in the evaporator vs. throttling/expansion through the valve

💭 Think About

• In which component does the refrigerant go from high pressure to low pressure almost instantaneously? • How does a sudden pressure drop affect the saturation temperature of the refrigerant? • Compare where the refrigerant is mostly changing phase versus where it is mostly changing pressure without doing useful work.

✅ Before You Answer

• Identify the component whose main job is to reduce pressure without adding work (no shaft work input). • Check where the largest single-step temperature drop on a pressure-enthalpy (P‑h) or temperature-entropy (T‑s) diagram usually occurs. • Confirm which component is primarily for heat absorption from the space/medium being cooled, and which is for throttling/expansion.