A fuel tank is considered to be gas free when the tank is
Direct Answer
Option D: free of all dangerous concentrations of flammable or toxic gases
A fuel tank is considered "gas free" when it is certified free of all dangerous concentrations of flammable or toxic gases, and has sufficient oxygen for safe entry. This stringent condition, detailed in ISGOTT, is essential for hot work or personnel entry.
All Options
Detailed Explanation & Context
A fuel tank is considered "gas free" when it is certified free of all dangerous concentrations of flammable or toxic gases, and has sufficient oxygen for safe entry. This stringent condition, detailed in ISGOTT, is essential for hot work or personnel entry.
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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