Class 4 (4th Engineer) SC&S 📅 Dec 2022

Exam Question

With reference to the pump room of an oil tanker describe the following;

(a) Location and arrangement of Ventilation system, with suitable sketch. (8)

(b) Requirement of number of air changes as per SOLAS 74 (4)

Reference Answer

### (a) Pump Room Ventilation: Location and Arrangement
The cargo pump room on an oil tanker is a critical and hazardous enclosed space due to the potential presence of flammable hydrocarbon vapours. The ventilation system is a primary safety barrier designed to maintain the atmosphere in a non-flammable condition.
**1. Location & Type:**
* **Location:** The cargo pump room is typically located aft of the cargo tanks and forward of the engine room, extending from the bottom shell plating up to the main deck.

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