GASCO Exit Exam • Set 7 Question 15 of 30
Which of the following is not a sign of an LNG gas (vapor) leak into insulation spaces?
✓
Direct Answer
Option C: Icing of sea water outside hull when ship at anchor
The correct answer is Icing of sea water outside hull when ship at anchor. This complies with established gas tanker operational standards, thermodynamics, and the IGC Code safety requirements.
All Options
A
Comparing to normal trends - high temperature variations on barrier spaces
B
Increase of pressuree in insulation spaces
C
Icing of sea water outside hull when ship at anchor
(Correct Answer)
D
Sudden rise in percentage of methane vapour in insulation spaces
Detailed Explanation & Context
The correct answer is Icing of sea water outside hull when ship at anchor. This complies with established gas tanker operational standards, thermodynamics, and the IGC Code safety requirements.
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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