What is the principal purpose of subcooling...

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Question 1 of 205eccef9dbacbc34ba4d4606e

What is the principal purpose of subcooling liquid refrigerant prior to its entering the expansion valve?

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5eccef9dbacbc34ba4d4606e

What is the principal purpose of subcooling liquid refrigerant prior to its entering the expansion valve?

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🔍 Key Concepts

• Flash gas formation when high-pressure liquid passes through an expansion (throttling) valve • How subcooling changes the liquid refrigerant’s temperature compared to its saturation temperature at that pressure • The relationship between liquid temperature at valve inlet and the refrigerating effect in the evaporator

💭 Think About

• When liquid refrigerant passes through an expansion valve, what happens to some of that liquid if it is exactly at saturation temperature versus if it is a bit colder than saturation? • Which option correctly describes how the amount of flash gas affects how much useful boiling (heat absorption) can occur in the evaporator? • Look for the choice that matches the idea: more liquid actually boiling in the evaporator equals more usable refrigeration. How does subcooling help with that?

✅ Before You Answer

• Identify which options talk about increasing vs. decreasing flash gas and decide which direction is beneficial for evaporator capacity • Check which choice incorrectly says the refrigerant should be saturated at the throttling device inlet, versus being a subcooled liquid • Eliminate any option that would reduce the amount of liquid available to boil in the evaporator, since that would reduce refrigerating effect

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Question 1 of 205eccef9dbacbc34ba4d4606e

What is the principal purpose of subcooling liquid refrigerant prior to its entering the expansion valve?

Back

Question 1 of 20

5eccef9dbacbc34ba4d4606e

What is the principal purpose of subcooling liquid refrigerant prior to its entering the expansion valve?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed