OCTCO/OCTF Exit Exam • Set 5 Question 19 of 30
What are closed operations?
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Direct Answer
Option A: Ballasting, loading or discharging operations carried out without opening ullage ports
Closed cargo operations refer to loading, ballasting, ullaging, and discharging performed with all tank hatches, ullage ports, and access covers tightly closed to prevent hazardous vapour release.
All Options
A
Ballasting, loading or discharging operations carried out without opening ullage ports
(Correct Answer)
B
To prevent the escape of hazardous vapor from tanks
C
Remote control of tank delivery valves
D
Remote control of inert gas entry into a tank
Detailed Explanation & Context
Closed cargo operations refer to loading, ballasting, ullaging, and discharging performed with all tank hatches, ullage ports, and access covers tightly closed to prevent hazardous vapour release.
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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