The piece of equipment shown in the...

Question 1 / 205eccef9ebacbc34ba4d4642c

Question 1 of 205eccef9ebacbc34ba4d4642c

The piece of equipment shown in the illustration is used in conjunction with a fire hose to produce which of the listed fire extinguishing agents? See illustration SF-0020.

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Question 1 of 20

5eccef9ebacbc34ba4d4642c

The piece of equipment shown in the illustration is used in conjunction with a fire hose to produce which of the listed fire extinguishing agents? See illustration SF-0020.

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🔍 Key Concepts

• Types of marine fire streams (solid stream, low-velocity fog, high-velocity fog, foam) and what each nozzle looks like • How foam is generated when mixed with water – difference between chemical foam and mechanical foam • The role of an inductor or pick‑up tube attached to a fire hose in producing a specific extinguishing agent

💭 Think About

• Look closely at the extra hose/tube marked C and the fitting at A – what does that suggest is being drawn into the water stream? • Compare what you see at the discharge end D with a typical fog nozzle – does it look like a fog pattern generator or something designed to mix air and solution to create bubbles? • Ask yourself: which of the answer choices requires a separate can or tank of liquid concentrate plus an eductor/pick‑up tube like the one shown?

✅ Before You Answer

• Identify whether the device is primarily a nozzle that shapes water spray (for fog) or a mixing device for water and concentrate (for foam) • Recall that chemical foam is produced by a chemical reaction in the agent itself, while mechanical foam is produced by water + foam concentrate + air passed through a nozzle • Before choosing, verify which agent type is commonly produced on ships by a foam nozzle with a pick‑up tube dipped into a foam concentrate container

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Question 1 of 20

The piece of equipment shown in the illustration is used in conjunction with a fire hose to produce which of the listed fire extinguishing agents? See illustration SF-0020.

Chemical foam

Low velocity fog

Mechanical foam

High velocity fog

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Question 1 / 205eccef9ebacbc34ba4d4642c

Question 1 of 205eccef9ebacbc34ba4d4642c

The piece of equipment shown in the illustration is used in conjunction with a fire hose to produce which of the listed fire extinguishing agents? See illustration SF-0020.

Back

Question 1 of 20

5eccef9ebacbc34ba4d4642c

The piece of equipment shown in the illustration is used in conjunction with a fire hose to produce which of the listed fire extinguishing agents? See 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?

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