LGTCO/LGTF Exit Exam • Set 7 Question 7 of 30
What is the function of vapour dome on a liquefied gas carrier?
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Direct Answer
Option A: upper tank area where cargo vapour collects
The vapour dome is located on top of the cargo tank where piping connections penetrate and where cargo vapour collects.
All Options
A
upper tank area where cargo vapour collects
(Correct Answer)
B
to reduce crew watchkeeping requirements
C
to store domestic fresh water
D
to replace cargo documentation
Detailed Explanation & Context
The vapour dome is located on top of the cargo tank where piping connections penetrate and where cargo vapour collects.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF).
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