As the senior engineer onboard a vessel, how...

Question 1 / 205eccef9ebacbc34ba4d46439

Question 1 of 205eccef9ebacbc34ba4d46439

As the senior engineer onboard a vessel, how would you instruct a new engineer to use the firefighting apparatus illustrated to fight an oil fire at the bunker station? Illustration SF-0020

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Question 1 of 20

5eccef9ebacbc34ba4d46439

As the senior engineer onboard a vessel, how would you instruct a new engineer to use the firefighting apparatus illustrated to fight an oil fire at the bunker station? Illustration SF-0020

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🔍 Key Concepts

• Class B (flammable liquid) fires and why foam is preferred over plain water for oil at a bunker station • How this specific appliance works: note the suction hose leading to a foam concentrate container and the long tube with an applicator at the end • Foam application techniques: difference between banking/bouncing foam off a surface vs. plunging a straight stream into the burning liquid

💭 Think About

• From the illustration, does this device appear to pick up foam concentrate from a separate container, or is it just a plain water nozzle? What does that imply about what it should discharge? • For an oil fire, would you want to drive a straight, forceful stream directly into the burning fuel, or lay a gentle blanket over the surface so you don’t agitate and spread the fire? • Looking at the answer choices, which options both (1) use the correct extinguishing agent for oil and (2) apply it in the way that forms and maintains a stable blanket on the fuel surface?

✅ Before You Answer

• Confirm this is a foam applicator by identifying the pickup hose going into a drum of foam concentrate in the figure. • Eliminate any choice that uses plain water as the primary extinguishing agent on a pool of oil. • Among the foam choices, prefer the method that minimizes agitation of the fuel surface and builds a foam blanket across it.

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Question 1 of 20

As the senior engineer onboard a vessel, how would you instruct a new engineer to use the firefighting apparatus illustrated to fight an oil fire at the bunker station? Illustration SF-0020

Direct aqueous film forming foam off the overhead or nearby bulkhead, using a bank down or bounce off method to extinguish the fire.

Direct aqueous film forming foam in a straight stream into the fuel to extinguish the fire.

This piece of firefighting equipment cannot be used to extinguish an oil fire.

Direct water off the overhead or nearby bulkhead, using a bank down or bounce off method to extinguish the fire.

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Question 1 / 205eccef9ebacbc34ba4d46439

Question 1 of 205eccef9ebacbc34ba4d46439

As the senior engineer onboard a vessel, how would you instruct a new engineer to use the firefighting apparatus illustrated to fight an oil fire at the bunker station? Illustration SF-0020

Back

Question 1 of 20

5eccef9ebacbc34ba4d46439

As the senior engineer onboard a vessel, how would you instruct a new engineer to use the firefighting apparatus illustrated to fight an oil fire at the bunker station? Illustration SF-0020

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