CHEMCO Exit Exam • Set 8 Question 4 of 30
Inert gas systems must be capable of maintaining inert gas with an oxygen content by volume in the cargo tanks of not more than
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Direct Answer
Option C: 8%
To ensure cargo safety and prevent pyrophoric oxidation, the oxygen content within the cargo tanks must be maintained at or below 8% by volume, a standard specified in ISGOTT.
All Options
A
2%
B
5%
C
8%
(Correct Answer)
D
11%
Detailed Explanation & Context
To ensure cargo safety and prevent pyrophoric oxidation, the oxygen content within the cargo tanks must be maintained at or below 8% by volume, a standard specified in ISGOTT.
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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