← MeoMock / Written exams
Class 4 (4th Engineer) MEKG 📅 Jan 2024

Exam Question

(a) Sketch a line diagram showing a typical 'Inert Gas System' used for inerting the Cargo tanks of oil tankers, labeling the component parts. (6)

(b) Describe the system. (8)

(c) State what oxygen content you would expect in the flue guses if good combustion is achieved. (2)

Reference Answer

### (a) Line Diagram of an Inert Gas System
A labeled line diagram is required, illustrating the flow of flue gas from the boiler uptake to the individual cargo tanks. The following key components must be clearly identified:
1. **Boiler Uptake and Isolation Valves**: Source of flue gas.
2. **Scrubber Tower**: Showing seawater inlet/outlet, spray nozzles, impingement stages/venturi, and demister.

Full answer on MeoMock — surveyor-grade reference answers for 7,000+ written exam questions.

View plans Browse library

← Browse more questions

Prepare on Android — MeoMock on Google Play