When discharging the main bank of fixed CO₂...

Question 1 / 270705eccef9ebacbc34ba4d46468

Question 1 of 270705eccef9ebacbc34ba4d46468

When discharging the main bank of fixed CO₂ into a major engine room fire, CO₂ pressure is used to __________.

Question 1 of 27070

When discharging the main bank of fixed CO₂ into a major engine room fire, CO₂ pressure is used to __________.

🔍 Key Concepts

• Fixed CO₂ fire extinguishing systems operation sequence • How CO₂ is released and distributed from the main bank • Which actions are automatic vs. done by crew during CO₂ release

💭 Think About

• Think about what the CO₂ pressure is physically doing once the main bank is activated—where does that pressure go and what does it operate? • Consider which of the listed actions must be positively driven by system pressure and which are normally handled by separate systems or by crew procedures. • Ask yourself: does the main CO₂ pressure directly control alarms and dampers, or are those usually separate electrical/pneumatic systems tied into the release station?

✅ Before You Answer

• Verify how a fixed CO₂ system actually discharges from multiple cylinders—what starts the flow from each bottle? • Check whether the general alarm is normally tied to the CO₂ system or to a separate ship’s alarm panel. • Confirm how ventilation shutdown and damper closure are usually achieved in machinery spaces—by CO₂ bottle pressure, by separate controls, or by crew action.

Question 1 of 27070

When discharging the main bank of fixed CO₂ into a major engine room fire, CO₂ pressure is used to __________.

discharge each bottle

sound the ships general alarm

secure the ventilation fan damper controls

All of the above.

Question 1 / 270705eccef9ebacbc34ba4d46468

Question 1 of 270705eccef9ebacbc34ba4d46468

When discharging the main bank of fixed CO₂ into a major engine room fire, CO₂ pressure is used to __________.

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Question 1 of 27070

When discharging the main bank of fixed CO₂ into a major engine room fire, CO₂ pressure is used to __________.