If the temperature of the ammonia gas in the...

Question 1 / 205eccef9dbacbc34ba4d45f05

Question 1 of 205eccef9dbacbc34ba4d45f05

If the temperature of the ammonia gas in the discharge piping and the condenser of a refrigeration system remains above the critical tempeature of 266°F, which of the following is true?

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Question 1 of 20

5eccef9dbacbc34ba4d45f05

If the temperature of the ammonia gas in the discharge piping and the condenser of a refrigeration system remains above the critical tempeature of 266°F, which of the following is true?

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🔍 Key Concepts

• Critical temperature of a refrigerant and what it means for phase change • How a condenser works in a vapor‑compression refrigeration system • Definitions of subcooling and sublimation in thermodynamics

💭 Think About

• Think about what must be true (in terms of temperature and pressure) for a vapor to change into a liquid in the condenser. • Ask yourself: above the critical temperature, is it still possible to have a distinct liquid phase of that refrigerant, no matter how much you raise the pressure? • Consider which option best matches what happens when a refrigerant can no longer change from vapor to liquid in the condenser.

✅ Before You Answer

• Verify the definition of critical temperature: can condensation occur above this temperature? • Recall that subcooling means liquid cooled below its saturation temperature, so you must already have liquid present. • Check what sublimation actually describes (solid ↔ vapor) and whether a solid phase exists anywhere in a normal ammonia refrigeration condenser.

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Question 1 of 20

If the temperature of the ammonia gas in the discharge piping and the condenser of a refrigeration system remains above the critical tempeature of 266°F, which of the following is true?

the refrigeration effect increases

the unit will begin to sub cool

the vapor will cease to condense

the process of sublimation will begin

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Question 1 / 205eccef9dbacbc34ba4d45f05

Question 1 of 205eccef9dbacbc34ba4d45f05

If the temperature of the ammonia gas in the discharge piping and the condenser of a refrigeration system remains above the critical tempeature of 266°F, which of the following is true?

Back

Question 1 of 20

5eccef9dbacbc34ba4d45f05

If the temperature of the ammonia gas in the discharge piping and the condenser of a refrigeration system remains above the critical tempeature of 266°F, which of the following is true?

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