Under the IGC Code, what is the maximum filling limit for liquid gas cargo tanks?
Direct Answer
Option C: Typically 98% at reference temperature to allow thermal expansion
The IGC Code limits cargo tank filling to 98% at the reference temperature to provide a vapor space for thermal expansion. This safety margin prevents liquid overfill, which could lead to excessive pressure buildup and the activation of pressure relief valves, potentially resulting in hazardous cargo venting.
All Options
Detailed Explanation & Context
The IGC Code limits cargo tank filling to 98% at the reference temperature to provide a vapor space for thermal expansion. This safety margin prevents liquid overfill, which could lead to excessive pressure buildup and the activation of pressure relief valves, potentially resulting in hazardous cargo venting.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Liquefied Gas Tanker Cargo Operations (GASCO).
Practice Full GASCO Set 2
Test yourself with 30 interactive questions, live timer, and instant score.