Which of the statements listed is applicable...

Question 1 / 2066636eee28f7522a1c51f37e

Question 1 of 2066636eee28f7522a1c51f37e

Which of the statements listed is applicable to the thermostatic expansion valve shown in the illustration? Illustration RA-0007

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Question 1 of 20

66636eee28f7522a1c51f37e

Which of the statements listed is applicable to the thermostatic expansion valve shown in the illustration? Illustration RA-0007

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🔍 Key Concepts

• Thermostatic expansion valve (TXV) function in a refrigeration system • Location and purpose of the sensing (control) bulb on a TXV • Difference between space temperature control and superheat control at the evaporator outlet

💭 Think About

• Look at where the sensing bulb line from the valve body goes in the illustration. What pipe is it attached to in a real installation? Suction, liquid, or discharge? • Ask yourself: Does a TXV directly control the room temperature, or does it control a condition inside the evaporator to protect the compressor? • Consider what the word equalizing means on an external equalizer line. Equalizing what two pressures, and would that be connected to a high-pressure component like the receiver or a low-pressure point like the evaporator outlet?

✅ Before You Answer

• Verify which line in the drawing is the bulb capillary tube and where it leads to in the system piping. • Confirm what parameter a TXV is designed to control: superheat at the evaporator outlet vs. room temperature vs. conditions at another valve. • Check whether an external equalizer is normally tied into the liquid receiver (high-pressure side) or near the evaporator outlet (low-pressure side).

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Question 1 of 20

Which of the statements listed is applicable to the thermostatic expansion valve shown in the illustration? Illustration RA-0007

The control bulb is located on the evaporator coil outlet.

The external equalizing pipe is connected to the liquid receiver.

It regulates the temperature of the refrigerated space.

It regulates the amount of superheat at the solenoid valve.

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Question 1 / 2066636eee28f7522a1c51f37e

Question 1 of 2066636eee28f7522a1c51f37e

Which of the statements listed is applicable to the thermostatic expansion valve shown in the illustration? Illustration RA-0007

Back

Question 1 of 20

66636eee28f7522a1c51f37e

Which of the statements listed is applicable to the thermostatic expansion valve shown in the illustration? Illustration RA-0007

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

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