Which of the following statements is true...

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Question 1 of 205eccefa0bacbc34ba4d46eb0

Which of the following statements is true concerning the operation of the automatic shut down solenoid valve in the fuel oil service manifold of an automatically fired boiler?

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5eccefa0bacbc34ba4d46eb0

Which of the following statements is true concerning the operation of the automatic shut down solenoid valve in the fuel oil service manifold of an automatically fired boiler?

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🔍 Key Concepts

• Boiler automatic safety shutdowns on low water, flame failure, and fuel supply issues • How an automatic fuel shutoff solenoid behaves after it has been tripped by a safety device • Difference between conditions that should cause an automatic close versus conditions requiring a manual reset before relighting

💭 Think About

• Think about why an automatically fired boiler needs a positive manual action from the engineer before fuel can flow again after a safety trip. Which choice reflects that safety philosophy? • Consider which operating conditions should be handled by separate protective devices (like overspeed trips or pressure controls) rather than by the fuel manifold solenoid itself. • Ask yourself: once a serious hazard like low water or flame failure occurs, should the valve ever reopen on its own just because conditions look normal again?

✅ Before You Answer

• Check which option describes a manual reset requirement rather than an automatic reopening. • Eliminate any option where the valve would automatically reopen after a serious safety shutdown without human intervention. • Verify which conditions (overspeed, pressure drop, low water) are normally protected by their own dedicated trips, not directly by the fuel oil service manifold solenoid.

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Question 1 of 205eccefa0bacbc34ba4d46eb0

Which of the following statements is true concerning the operation of the automatic shut down solenoid valve in the fuel oil service manifold of an automatically fired boiler?

Back

Question 1 of 20

5eccefa0bacbc34ba4d46eb0

Which of the following statements is true concerning the operation of the automatic shut down solenoid valve in the fuel oil service manifold of an automatically fired boiler?

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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