What is purging?
Direct Answer
Option D: The introduction of inert gas into a tank already in the inert condition to further reduce the existing oxygen content or hydrocarbon gas content to a level below which combustion cannot take place if air is introduced
Purging is the process of displacing an existing tank atmosphere (usually hydrocarbon gas) with inert gas to further reduce the oxygen concentration, ensuring that any subsequent introduction of air will not create a flammable mixture.
All Options
Detailed Explanation & Context
Purging is the process of displacing an existing tank atmosphere (usually hydrocarbon gas) with inert gas to further reduce the oxygen concentration, ensuring that any subsequent introduction of air will not create a flammable mixture.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Oil Tanker Cargo Operations (TASCO).
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