What is the function of inert gas on chemical tankers carrying cargoes with flashpoints below 60°C?
Direct Answer
Option C: Maintain oxygen concentration below 8% to prevent flammability
Inert gas, typically nitrogen, displaces oxygen. Maintaining oxygen below 8% is critical as per ISGOTT and the IBC Code to prevent the formation of flammable mixtures with vapors from low flashpoint chemicals, mitigating explosion risks.
All Options
Detailed Explanation & Context
Inert gas, typically nitrogen, displaces oxygen. Maintaining oxygen below 8% is critical as per ISGOTT and the IBC Code to prevent the formation of flammable mixtures with vapors from low flashpoint chemicals, mitigating explosion risks.
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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