According to Coast Guard Regulations (46...

Question 1 / 205eccef9cbacbc34ba4d45720

Question 1 of 205eccef9cbacbc34ba4d45720

According to Coast Guard Regulations (46 CFR), fresh water tank vents the may terminate below the deep load water line in the machinery space under what condition?

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5eccef9cbacbc34ba4d45720

According to Coast Guard Regulations (46 CFR), fresh water tank vents the may terminate below the deep load water line in the machinery space under what condition?

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🔍 Key Concepts

• 46 CFR Subchapter F or J sections on tank vents and overflow piping • Purpose of tank venting and the risk of flooding/contamination if vents are below the deep load waterline • Difference between manual closures, automatic closures, and relief valves

💭 Think About

• Ask yourself: If a vent ends below the deep load waterline, what is the main danger, and what feature would most directly and automatically prevent seawater from entering the tank through that vent? • Which options protect against both overpressure/vacuum in the tank AND ingress of water through a low‑level vent without depending on a crew member to remember to operate it? • Look at the answer choices: Which device is specifically designed to close itself when water reaches it, rather than just relieving pressure or relying on someone to shut it?

✅ Before You Answer

• Verify in 46 CFR that when a vent terminates below the deep load waterline, it must have an automatic means to prevent water from entering the tank through that vent. • Check which listed fittings are primarily for pressure/vacuum relief versus which are specifically for automatic closure against water entry. • Confirm that the regulation does not rely solely on a manual or normally open device that needs human action to protect the tank when the ship trims or heels.

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Question 1 of 20

According to Coast Guard Regulations (46 CFR), fresh water tank vents the may terminate below the deep load water line in the machinery space under what condition?

vents are fitted with suitable mechanical closures

tanks have no boundaries in common with the hull

vents are fitted with ball float check valves or an equivalent automatic closure device

tanks are fitted with suitable pressure-vacuum relief valves

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Question 1 / 205eccef9cbacbc34ba4d45720

Question 1 of 205eccef9cbacbc34ba4d45720

According to Coast Guard Regulations (46 CFR), fresh water tank vents the may terminate below the deep load water line in the machinery space under what condition?

Back

Question 1 of 20

5eccef9cbacbc34ba4d45720

According to Coast Guard Regulations (46 CFR), fresh water tank vents the may terminate below the deep load water line in the machinery space under what condition?

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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