AIGF Exit Exam • Set 1 Question 9 of 30
The design life of fixed liquefied gas fuel containment system __________ whichever is greater
✓
Direct Answer
Option A: both (a) and (b)
Gas detection in double-wall pipe ducts triggers alarms at 20% LEL and initiates automatic fuel shut-off (ESD) at 40% LEL.
All Options
A
both (a) and (b)
(Correct Answer)
B
none of the above
C
should not be less than the design life of the ship
D
20 years
Detailed Explanation & Context
Gas detection in double-wall pipe ducts triggers alarms at 20% LEL and initiates automatic fuel shut-off (ESD) at 40% LEL.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Ships subject to the IGF Code (AIGF).
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