If the steam flow input device to a...

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Question 1 of 205eccefa0bacbc34ba4d46e5d

If the steam flow input device to a two-element feed water regulator valve fails, the regulator operates as a __________.

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5eccefa0bacbc34ba4d46e5d

If the steam flow input device to a two-element feed water regulator valve fails, the regulator operates as a __________.

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🔍 Key Concepts

• Two-element feed water regulator – what are its two separate inputs? • How a single-element feed water regulator senses and controls drum level • What happens to an automatic control system when one of its sensing signals is lost or fails safe

💭 Think About

• Think about which signal the two-element regulator still has if the steam flow input device fails. • Ask yourself: with only the remaining signal available, which type of control system does this most closely behave like? • Consider whether the failure would automatically turn the system into full manual control, or simply reduce its level of automatic sophistication.

✅ Before You Answer

• Identify clearly what the two elements are in a two-element feed water regulator (what two process variables are used). • Decide which of those two signals the regulator can still use after the steam flow input device fails. • Verify which choice best describes a controller that now works from only drum level feedback instead of both level and flow.

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Study

Question 1 of 205eccefa0bacbc34ba4d46e5d

If the steam flow input device to a two-element feed water regulator valve fails, the regulator operates as a __________.

Back

Question 1 of 20

5eccefa0bacbc34ba4d46e5d

If the steam flow input device to a two-element feed water regulator valve fails, the regulator operates 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