AIGF Exit Exam • Set 9 Question 3 of 30
The hull structure may be designed as a secondary barrier where the liquefied gas fuel temperature at atmospheric pressure is not below minus 55°C on ______________
✓
Direct Answer
Option C: both (a) and (b)
The ship's inner hull structure may serve as a secondary barrier only when the fuel temperature at atmospheric pressure is not colder than -55°C and approved cryogenic grade steel is used.
All Options
A
the design can be such that this temperature will not result in unacceptable hull stresses
B
the hull material can be suitable for the liquefied gas fuel temperature at atmospheric pressure
C
both (a) and (b)
(Correct Answer)
D
none of the above
Detailed Explanation & Context
The ship's inner hull structure may serve as a secondary barrier only when the fuel temperature at atmospheric pressure is not colder than -55°C and approved cryogenic grade steel is used.
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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