What is boil-off gas (BOG)?
Direct Answer
Option D: Vapor generated continuously due to heat ingress through tank insulation
Boil-off gas is the vapor generated continuously due to heat ingress through the tank insulation, despite high-efficiency systems. Managing this gas is essential for maintaining tank pressure within safe design limits. It is typically handled via reliquefaction plants or used as fuel in the ship's engines, as per IGC Code requirements.
All Options
Detailed Explanation & Context
Boil-off gas is the vapor generated continuously due to heat ingress through the tank insulation, despite high-efficiency systems. Managing this gas is essential for maintaining tank pressure within safe design limits. It is typically handled via reliquefaction plants or used as fuel in the ship's engines, as per IGC Code requirements.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF).
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