LGTCO/LGTF Exit Exam • Set 4 Question 21 of 30
Semi-membrane tanks are:
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Direct Answer
Option C: Self-supporting only when empty
Semi-membrane tanks are designed to be self-supporting in the empty condition, but when loaded, hydrostatic cargo loads are transferred through insulation to the supporting ship hull.
All Options
A
Completely self-supporting when loaded or empty
B
Self-supporting only when loaded
C
Self-supporting only when empty
(Correct Answer)
D
Non-self-supporting tanks under all conditions
Detailed Explanation & Context
Semi-membrane tanks are designed to be self-supporting in the empty condition, but when loaded, hydrostatic cargo loads are transferred through insulation to the supporting ship hull.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF).
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