OCTCO/OCTF Exit Exam • Set 6 Question 24 of 30
Clean ballast is normally______?
✓
Direct Answer
Option C: Ballast water loaded into cargo tanks which have been crude oil and water washed
Clean ballast under MARPOL Annex I refers to ballast water carried in a cargo tank which has been thoroughly crude-oil-washed and water-washed such that effluent shows no visible oil trace.
All Options
A
Ballast water loaded directly into a cargo tank after discharge
B
Ballast water into cargo tanks which have been washed crude oil
C
Ballast water loaded into cargo tanks which have been crude oil and water washed
(Correct Answer)
D
Ballast water loaded in designated tanks used only for that purpose
Detailed Explanation & Context
Clean ballast under MARPOL Annex I refers to ballast water carried in a cargo tank which has been thoroughly crude-oil-washed and water-washed such that effluent shows no visible oil trace.
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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