In the illustrated R-134a high pressure...

Question 1 / 205eccef9dbacbc34ba4d46042

Question 1 of 205eccef9dbacbc34ba4d46042

In the illustrated R-134a high pressure centrifugal chiller refrigerant flow circuit, by what means is the heat removal capacity of the system regulated? See illustration GS-RA-26.

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Question 1 of 20

5eccef9dbacbc34ba4d46042

In the illustrated R-134a high pressure centrifugal chiller refrigerant flow circuit, by what means is the heat removal capacity of the system regulated? See illustration GS-RA-26.

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🔍 Key Concepts

• How centrifugal chillers control capacity compared to reciprocating or screw compressors • The role of refrigerant mass flow rate through the compressor in determining cooling (tons of refrigeration) • Which component in the diagram is shown with an actuator or control linkage tied into the capacity control system

💭 Think About

• Look at the compressor section in the illustration: what adjustable device is located at or near the suction/inlet of the impeller? • Ask yourself: if I wanted to reduce the load on a centrifugal compressor without changing its speed, what flow path would I throttle or direct? • For each choice, consider whether that method would be a primary capacity control for this type of high‑pressure centrifugal R‑134a chiller, or more of a secondary/trim control.

✅ Before You Answer

• Identify on the drawing which part actually has a mechanical control element (linkage, actuator, or control motor). • Confirm which option directly changes the amount of refrigerant vapor entering the compressor, not just water temperatures or bypass protection. • Verify whether hot gas bypass in this system is drawn to the cooler or used only for special conditions, rather than normal capacity modulation.

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Question 1 of 20

In the illustrated R-134a high pressure centrifugal chiller refrigerant flow circuit, by what means is the heat removal capacity of the system regulated? See illustration GS-RA-26.

controlling the condenser water flow through the condenser

controlling the compressor gas flow via the inlet guide vanes

controlling the chilled water flow through the cooler

controlling the hot gas bypass flow directly from the compressor discharge to the cooler

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Question 1 / 205eccef9dbacbc34ba4d46042

Question 1 of 205eccef9dbacbc34ba4d46042

In the illustrated R-134a high pressure centrifugal chiller refrigerant flow circuit, by what means is the heat removal capacity of the system regulated? See illustration GS-RA-26.

Back

Question 1 of 20

5eccef9dbacbc34ba4d46042

In the illustrated R-134a high pressure centrifugal chiller refrigerant flow circuit, by what means is the heat removal capacity of the system regulated? See illustration GS-RA-26.

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?

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