Class 2 (2nd Engineer) SSEP 📅 Nov 2024

Exam Question

(a) List the precautions that must be taken before releasing CO2 into the engine room in the event of a fire. Why is it critical to ensure these steps are followed to safeguard crew and equipment? (7)

(b) Describe the actions that should be taken immediately after CO2 release to manage the fire and prevent re-ignition. (6)

(c) Explain the factors that determine the quality of CO2 required for effective fire suppression in ship's engine room. Outline the formula and method used to calculate the number of CO2 bottles needed on board. (7)

Reference Answer

CO2 Fire Suppression in Engine Rooms: Precautions, Actions, and Quantity Determination
Releasing CO2 into a ship's engine room for fire suppression is a critical procedure that demands strict adherence to safety protocols due to the asphyxiating nature of CO2. This section outlines the necessary precautions before release, actions to take immediately after release, and the factors determining the required quantity of CO2.
(a) Precautions Before Releasing CO2 into the Engine Room
Before activating the CO2 fire suppression system in an engine room, paramount importance is placed on the safety of personnel and the effectiveness of the system. The following precautions are essential:

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