What is the function of the gas combustion unit (GCU) on an LNG carrier?
Direct Answer
Option B: Safely burn excess boil-off gas when engines cannot consume it
Governed by IGC Code requirements, the Gas Combustion Unit (GCU) safely burns excess boil-off gas when propulsion plant demand is low or during port stays, preventing over-pressurization of cargo containment systems when reliquefaction capacity is exceeded.
All Options
Detailed Explanation & Context
Governed by IGC Code requirements, the Gas Combustion Unit (GCU) safely burns excess boil-off gas when propulsion plant demand is low or during port stays, preventing over-pressurization of cargo containment systems when reliquefaction capacity is exceeded.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF).
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