RAFF Exit Exam • Set 2 Question 15 of 30
What is the maximum allowable oxygen content within the ship’s cargo tanks, inert gas piping and the vapour recovery system?
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Direct Answer
Option C: 8%
Maintaining a low oxygen content is critical for inert gas systems to prevent combustion. SOLAS and the FSS Code specify that the oxygen content in inert gas should not exceed 8% to effectively suppress fire in cargo tanks.
All Options
A
4%
B
5%
C
8%
(Correct Answer)
D
10%
Detailed Explanation & Context
Maintaining a low oxygen content is critical for inert gas systems to prevent combustion. SOLAS and the FSS Code specify that the oxygen content in inert gas should not exceed 8% to effectively suppress fire in cargo tanks.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Advanced Fire Fighting (RAFF).
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