In the ‘flow through’ method of ballast water exchange:
Direct Answer
Option B: Ballast equal to approximately three times the tank capacity must be pumped through the tank
The 'flow through' method of ballast water exchange requires pumping through ballast equal to approximately three times the tank's capacity to ensure sufficient replacement of original water, as per IMO guidelines for ballast water management.
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Detailed Explanation & Context
The 'flow through' method of ballast water exchange requires pumping through ballast equal to approximately three times the tank's capacity to ensure sufficient replacement of original water, as per IMO guidelines for ballast water management.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).
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