In a small appliance using HFC-134a you...

Question 1 / 270705eccef9dbacbc34ba4d45e57

Question 1 of 270705eccef9dbacbc34ba4d45e57

In a small appliance using HFC-134a you would expect to see the greatest temperature drop across what system component?

Question 1 of 27070

In a small appliance using HFC-134a you would expect to see the greatest temperature drop across what system component?

🔍 Key Concepts

• Vapor-compression refrigeration cycle and what happens to pressure and temperature at each stage • Difference between compression (work added) and expansion/throttling (pressure drop without work) • Where the refrigerant experiences a sudden pressure drop versus more gradual heat transfer

💭 Think About

• Trace the refrigerant through the system in the correct order and note what happens to its pressure and temperature at each component • Ask yourself: in which components does the refrigerant mostly change phase at nearly constant temperature, and in which does it have a sudden temperature change? • Eliminate any component where you know the refrigerant temperature mainly goes up rather than down

✅ Before You Answer

• Identify which listed component is associated with heat absorption inside the box and which with heat rejection to ambient air • Recall which component’s main job is storage of liquid rather than changing temperature or phase significantly • Verify which component in a standard HFC-134a system is responsible for the largest single temperature drop of the refrigerant as it flows through the system

Question 1 of 27070

In a small appliance using HFC-134a you would expect to see the greatest temperature drop across what system component?

evaporator

receiver

compressor

condenser