OCTCO/OCTF Exit Exam • Set 6 Question 16 of 30
When the IG plant is shutdown, the IBC cooling water should be let on the scrubber for at least ____hour(s)?
✓
Direct Answer
Option C: 3
When shutting down the inert gas plant, cooling water to the scrubber tower must be kept running for at least 3 hours (or per manufacturer instructions) to wash away acidic deposits and cool the internal packing.
All Options
A
1
B
2
C
3
(Correct Answer)
D
4
Detailed Explanation & Context
When shutting down the inert gas plant, cooling water to the scrubber tower must be kept running for at least 3 hours (or per manufacturer instructions) to wash away acidic deposits and cool the internal packing.
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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