CHEMCO Exit Exam • Set 8 Question 8 of 30
The oxygen level in the tank is reduced by ________.
✓
Direct Answer
Option A: Inert gas system
The inert gas system displaces oxygen from the cargo tank atmosphere with inert gas (primarily nitrogen), thereby reducing the oxygen concentration below the level required for combustion.
All Options
A
Inert gas system
(Correct Answer)
B
High Expansion foam system
C
CO2 sytem
Detailed Explanation & Context
The inert gas system displaces oxygen from the cargo tank atmosphere with inert gas (primarily nitrogen), thereby reducing the oxygen concentration below the level required for combustion.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).
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