OCTCO/OCTF Exit Exam • Set 9 Question 14 of 30

Are all pumps and blowers shut down during the emergency shut down procedure of a shipboard inert gas system?

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Direct Answer

Option C: no, sea water cooling of deck seal running

During an emergency shutdown (ESD) of the inert gas system, the continuous seawater cooling and sealing flow to the deck water seal must remain operational to prevent backflow.

All Options

no, the sea water pumps and the blowers are still running

no, the scrubber sea water pumps are still running

no, sea water cooling of deck seal running (Correct Answer)

yes, all is shut down

Detailed Explanation & Context

During an emergency shutdown (ESD) of the inert gas system, the continuous seawater cooling and sealing flow to the deck water seal must remain operational to prevent backflow.

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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