If the feed water flow sensor of a...

Question 1 / 205eccefa0bacbc34ba4d46e5c

Question 1 of 205eccefa0bacbc34ba4d46e5c

If the feed water flow sensor of a multi-element feed water regulator fails, the valve will be controlled as a __________.

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Question 1 of 20

5eccefa0bacbc34ba4d46e5c

If the feed water flow sensor of a multi-element feed water regulator fails, the valve will be controlled as a __________.

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🔍 Key Concepts

• Three-element (multi-element) feed water control uses steam flow, drum level, and feedwater flow signals. • How a controller reacts when one of its main feedback signals (like flow sensing) is lost or failed. • The difference between single, two/double, and three/multi-element drum level control systems.

💭 Think About

• Ask yourself: In a three-element system, which "element" does the failed feed water flow sensor represent, and what happens when that element is no longer available? • Consider how a boiler drum level control system would safely simplify its mode of control if it loses one of the elements it needs to operate properly. • Between the options, which one best represents a control strategy that uses only drum level (and maybe steam flow) when feedwater flow feedback is not available?

✅ Before You Answer

• Verify what signals a single element controller actually uses. • Verify what additional process variable a two/double-element controller adds beyond drum level. • Confirm that a multi/three-element regulator requires all three inputs: drum level, steam flow, and feedwater flow—and what typical practice is when one is lost.

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Question 1 of 20

If the feed water flow sensor of a multi-element feed water regulator fails, the valve will be controlled as a __________.

single element feed water regulator

double element feed water regulator

triple element feed water regulator

local manual control device

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Question 1 / 205eccefa0bacbc34ba4d46e5c

Question 1 of 205eccefa0bacbc34ba4d46e5c

If the feed water flow sensor of a multi-element feed water regulator fails, the valve will be controlled as a __________.

Back

Question 1 of 20

5eccefa0bacbc34ba4d46e5c

If the feed water flow sensor of a multi-element feed water regulator fails, the valve will be controlled as a __________.

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