What safety feature automatically trips cargo valves and pumps during an emergency ESD activation?
Direct Answer
Option D: Emergency Shutdown System (ESD)
The Emergency Shutdown System (ESD) is a mandatory safety feature under the IGC Code designed to isolate cargo systems instantly. Upon activation, it triggers the closure of manifold and tank valves and stops cargo pumps to prevent uncontrolled release or escalation of hazardous incidents during loading or discharge.
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Detailed Explanation & Context
The Emergency Shutdown System (ESD) is a mandatory safety feature under the IGC Code designed to isolate cargo systems instantly. Upon activation, it triggers the closure of manifold and tank valves and stops cargo pumps to prevent uncontrolled release or escalation of hazardous incidents during loading or discharge.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Liquefied Gas Tanker Cargo Operations (GASCO).
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