Exam Question
(a) Sketch a line diagram showing a typical Gas System used for inerting the cargo tanks of oil tankers, labeling the component parts. (8)
(b) Describe the system (8)
Class 4 (4th Engineer)
MEKG
📅 Apr 2025
Reference Answer
### (a) Line Diagram of a Flue Gas Inert Gas System
A labeled line diagram is required, illustrating the flow path of flue gas from the boiler or main engine uptake to the individual cargo tanks. The sketch must clearly label all the principal components as listed below. The diagram should show the main IG line, recirculation line, and safety barriers.
**Key Components to be Labeled:**
1. Boiler/Main Engine Uptake
A labeled line diagram is required, illustrating the flow path of flue gas from the boiler or main engine uptake to the individual cargo tanks. The sketch must clearly label all the principal components as listed below. The diagram should show the main IG line, recirculation line, and safety barriers.
**Key Components to be Labeled:**
1. Boiler/Main Engine Uptake
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