LGTCO/LGTF Exit Exam • Set 4 Question 17 of 30
Independent Type B tanks on gas carriers are characterized as:
✓
Direct Answer
Option A: Completely self-supporting when full or empty
Independent Type B tanks (such as Moss spherical tanks or SPB prismatic tanks) are fully self-supporting under all load conditions, designed with sophisticated stress analysis requiring only a partial secondary barrier.
All Options
A
Completely self-supporting when full or empty
(Correct Answer)
B
Self-supporting only when empty
C
Self-supporting only when full
D
Non-self-supporting membrane structures
Detailed Explanation & Context
Independent Type B tanks (such as Moss spherical tanks or SPB prismatic tanks) are fully self-supporting under all load conditions, designed with sophisticated stress analysis requiring only a partial secondary barrier.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF).
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