When a fuel oil is being topped off during bunkering operations, the tank value should enclosed ______
Direct Answer
Option B: To prevent gas from escaping through the pressure vacuum relief valves
During final bunkering stages, tank venting systems must be managed safely. Enclosing tank valves appropriately prevents excessive hydrocarbon gas surges through pressure-vacuum relief valves, ensuring compliance with international MARPOL and ISGOTT safety guidelines.
All Options
Detailed Explanation & Context
During final bunkering stages, tank venting systems must be managed safely. Enclosing tank valves appropriately prevents excessive hydrocarbon gas surges through pressure-vacuum relief valves, ensuring compliance with international MARPOL and ISGOTT safety guidelines.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Personal Safety & Social Responsibilities (RPSSR).
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