If the flow of water from a centrifugal pump...

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Question 1 of 205eccef9bbacbc34ba4d454de

If the flow of water from a centrifugal pump is allowed to be stopped by closing the discharge valve while the pump continues to run for an indefinite period, the __________.

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Question 1 of 20

5eccef9bbacbc34ba4d454de

If the flow of water from a centrifugal pump is allowed to be stopped by closing the discharge valve while the pump continues to run for an indefinite period, the __________.

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🔍 Key Concepts

• Centrifugal pump characteristics when the discharge valve is closed (shut-off condition) • What happens to flow, pressure, and temperature inside the pump when flow is zero • Possible damage or safety concerns if a pump runs against a closed discharge for a long time

💭 Think About

• When you close the discharge valve on a centrifugal pump, what happens immediately to the flow rate and to the developed pressure? • If there is no flow through the pump but the impeller keeps spinning, what happens to the energy being added to the liquid—where does it go? • Over a long period, which effect is most critical: operation of a relief valve, pressure change, or temperature/phase change of the liquid?

✅ Before You Answer

• Verify what is normally installed on centrifugal pump discharge lines and whether they are required to open just because the valve is closed • Consider whether pressure in a centrifugal pump at shut-off head keeps rising forever or reaches a relatively stable maximum • Think about whether trapped liquid with continuous energy input and no circulation is likely to stay at the same temperature, cool down, or heat up significantly over time

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Study

Question 1 of 205eccef9bbacbc34ba4d454de

If the flow of water from a centrifugal pump is allowed to be stopped by closing the discharge valve while the pump continues to run for an indefinite period, the __________.

Back

Question 1 of 20

5eccef9bbacbc34ba4d454de

If the flow of water from a centrifugal pump is allowed to be stopped by closing the discharge valve while the pump continues to run for an indefinite period, the __________.

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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