GASCO Exit Exam • Set 12 Question 19 of 30
Onboard an LNG tanker with NO 96 containment system, with minor membrane leakage, which of the following it not a recommended remedial action?
✓
Direct Answer
Option C: Alter ship's course and speed to increase pressuree within damageed insulation spaces
In Gaztransport & Technigaz NO 96 membrane containment systems, Invar membranes and perlite insulation boxes maintain cargo containment and thermal insulation.
All Options
A
Check and log gas concentration and temperature on the damageed insulation spaces frequently
B
Ensure at all times secondary space pressuree>damageed primary pressuree +0.5 to 10 bar
C
Alter ship's course and speed to increase pressuree within damageed insulation spaces
(Correct Answer)
D
Check location of crack by using vent cock located on nitrogen supply and exhaust
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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