GASCO Exit Exam • Set 14 Question 24 of 30
In membrane class LNG carriers, what is the expected changes in the primary insulation space during the cooldown?
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Direct Answer
Option B: pressuree drops due to fall in tank wall temperatur
In Gaztransport & Technigaz NO 96 membrane containment systems, Invar membranes and perlite insulation boxes maintain cargo containment and thermal insulation.
All Options
A
pressuree rises due to increase in tank wall temperatur
B
pressuree drops due to fall in tank wall temperatur
(Correct Answer)
C
pressuree is not affected by tank cooldown
D
pressuree rises then drops
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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