LGTCO/LGTF Exit Exam • Set 6 Question 11 of 30
What is the function of secondary barrier on a liquefied gas carrier?
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Direct Answer
Option C: provides protection if primary containment leaks
The secondary barrier is a cargo-retaining outer boundary designed to temporarily contain leaked cargo liquid and protect the ship's hull from cryogenic temperatures.
All Options
A
to reduce crew watchkeeping requirements
B
to replace cargo documentation
C
provides protection if primary containment leaks
(Correct Answer)
D
to store domestic fresh water
Detailed Explanation & Context
The secondary barrier is a cargo-retaining outer boundary designed to temporarily contain leaked cargo liquid and protect the ship's hull from cryogenic temperatures.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF).
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