GASCO Exit Exam • Set 10 Question 23 of 30
What is the definition for the term "minor failure of membrane?
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Direct Answer
Option D: Minor fatigue cracks, passing liquid into the insulation space and becomes gaseous
In Gaztransport & Technigaz NO 96 membrane containment systems, Invar membranes and perlite insulation boxes maintain cargo containment and thermal insulation.
All Options
A
Activation of gas detection equipment for insulation despite of purging with nitrogen
B
Fatigue cracks develop with obvious signs of pressuree rise and the presence of methane vapor
C
Porosity of membranee which allows limited liquid into insulation spaces
D
Minor fatigue cracks, passing liquid into the insulation space and becomes gaseous
(Correct Answer)
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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