GASCO Exit Exam • Set 5 Question 7 of 30
Onboard an LNG carrier, with NO 96 containment system, what is the maximum allowable differential head between the cargo tank and primary spaces liquid level during discharge operation from the damaged tank?
✓
Direct Answer
Option B: 500 mm of cargo level
In Gaztransport & Technigaz NO 96 membrane containment systems, Invar membranes and perlite insulation boxes maintain cargo containment and thermal insulation.
All Options
A
100 mm of cargo level
B
500 mm of cargo level
(Correct Answer)
C
50 mm of cargo level
D
10 mm of cargo level
Detailed Explanation & Context
In Gaztransport & Technigaz NO 96 membrane containment systems, Invar membranes and perlite insulation boxes maintain cargo containment and thermal insulation.
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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