GASCO Exit Exam • Set 10 Question 10 of 30
What is the designed boil-off rate for a typical membrane type LNG carrier?
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Direct Answer
Option A: 0.15% of full cargo tank capacity / day
In Gaztransport & Technigaz NO 96 membrane containment systems, Invar membranes and perlite insulation boxes maintain cargo containment and thermal insulation.
All Options
A
0.15% of full cargo tank capacity / day
(Correct Answer)
B
0.05% of full cargo tank capacity / day
C
0.25% of full cargo tank capacity / day
D
0.5% of full cargo tank capacity / day
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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