Coast Guard Regulations (46 CFR) require...

Question 1 / 205eccefa3bacbc34ba4d47c52

Question 1 of 205eccefa3bacbc34ba4d47c52

Coast Guard Regulations (46 CFR) require that the flame safeguard control system for an automatic boiler, should __________.

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Question 1 of 20

5eccefa3bacbc34ba4d47c52

Coast Guard Regulations (46 CFR) require that the flame safeguard control system for an automatic boiler, should __________.

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🔍 Key Concepts

• 46 CFR Subchapter F – Marine engineering regulations for boilers and machinery • Purpose of a flame safeguard system on an automatic boiler • Required shutdown response time when flame is lost

💭 Think About

• Ask yourself: What is the primary safety purpose of a flame safeguard system – to restart the boiler, to sense temperature in a stack, to limit ignition time, or to quickly stop fuel when there is no flame? • Compare each choice with a worst-case scenario: a flame goes out but fuel keeps flowing. Which option directly addresses this specific danger? • Think about time: which function of the safeguard must happen very quickly to prevent an accumulation of unburned fuel in the furnace?

✅ Before You Answer

• Identify which option deals with fuel shutoff after flame failure, not normal operating features like relighting or water level protection. • Check which choices mention a maximum time limit and decide which time limit is reasonable to prevent a fuel-rich, explosive mixture. • Eliminate any answer that describes a feature normally handled by a different protective device (e.g., low water cutoff, stack switch, or ignition programmer), not the flame safeguard itself.

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Question 1 of 20

Coast Guard Regulations (46 CFR) require that the flame safeguard control system for an automatic boiler, should __________.

be designed to automatically relight the boiler fires after a low water shutdown

incorporate an open bimetallic helix pyrostat stack switch

be capable of closing the fuel valves in not more than 4 seconds after a flame failure

provide a trial for ignition period of not more than 90 seconds

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Question 1 / 205eccefa3bacbc34ba4d47c52

Question 1 of 205eccefa3bacbc34ba4d47c52

Coast Guard Regulations (46 CFR) require that the flame safeguard control system for an automatic boiler, should __________.

Back

Question 1 of 20

5eccefa3bacbc34ba4d47c52

Coast Guard Regulations (46 CFR) require that the flame safeguard control system for an automatic boiler, should __________.

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