OCTCO/OCTF Exit Exam • Set 6 Question 30 of 30
Inert gas after leaving the demister will consist of the following?
✓
Direct Answer
Option D: Both A & B
Properly scrubbed and demisted inert flue gas leaving the scrubber tower typically contains less than 5% oxygen by volume and negligible sulfur dioxide (<20-50 ppm).
All Options
A
Oxygen less than 5%
B
SO2 less than 2.0%
C
Water vapor 1%
D
Both A & B
(Correct Answer)
Detailed Explanation & Context
Properly scrubbed and demisted inert flue gas leaving the scrubber tower typically contains less than 5% oxygen by volume and negligible sulfur dioxide (<20-50 ppm).
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Oil and Chemical Tanker Cargo Operations (OCTCO/OCTF).
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