Fire protection regulations for towing...

Question 1 / 2707066636ee728f7522a1c517b3d

Question 1 of 2707066636ee728f7522a1c517b3d

Fire protection regulations for towing vessels require any fuel line subject to internal head pressure from fuel in the tank to __________.

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Question 1 of 27070

Fire protection regulations for towing vessels require any fuel line subject to internal head pressure from fuel in the tank to __________.

🔍 Key Concepts

• Internal head pressure – what it means when fuel in the tank is pushing on the line by gravity • Fire protection goal – how to quickly stop fuel feeding a fire if the line is damaged • Location and type of valve required by towing vessel fire protection regulations (46 CFR, Subchapter M)

💭 Think About

• If the fuel line breaks below the tank, what happens to the fuel in each of these options? Which option most effectively stops gravity-fed fuel from continuing to flow? • Which kind of valve and location would let you shut off fuel right at the source without having to go into a burning or flooded space? • Think about the difference between a general "valve in the space" and a specifically required positive shutoff at the tank – which is more reliable in an emergency?

✅ Before You Answer

• Identify which choices clearly stop fuel flow at the tank outlet itself, not somewhere downstream in the system • Check which answer mentions a positive fuel shut-off rather than just any generic valve or drain • Verify in 46 CFR towing vessel fire protection rules that the valve must be located at the tank when the line is under internal head pressure

Question 1 of 27070

Fire protection regulations for towing vessels require any fuel line subject to internal head pressure from fuel in the tank to __________.

have a shut-off valve at the top of the tank

have a drain cock at the lowest point in the fuel line

have a gate valve easily accessible in the space where the tank is located

be fitted with a positive fuel shut-off valve located at the tank

Question 1 / 2707066636ee728f7522a1c517b3d

Question 1 of 2707066636ee728f7522a1c517b3d

Fire protection regulations for towing vessels require any fuel line subject to internal head pressure from fuel in the tank to __________.

Back

Question 1 of 27070

Fire protection regulations for towing vessels require any fuel line subject to internal head pressure from fuel in the tank to __________.