LGTCO/LGTF Exit Exam • Set 5 Question 15 of 30
For a typical semi-pressurized ship, cargo tanks and associated equipment are designed for what working pressure?
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Direct Answer
Option A: Approximately 5 to 7 barg and a vacuum of 0.5 barg
Semi-pressurized cargo tanks are designed for moderate pressures of 5 to 7 barg (typically 5.5 barg) with a vacuum capability of 0.3 to 0.5 barg.
All Options
A
Approximately 5 to 7 barg and a vacuum of 0.5 barg
(Correct Answer)
B
Approximately 18 barg
C
Approximately 9 barg and a vacuum of 1.0 barg
D
Approximately 0.7 barg and a vacuum of 1.0 barg
Detailed Explanation & Context
Semi-pressurized cargo tanks are designed for moderate pressures of 5 to 7 barg (typically 5.5 barg) with a vacuum capability of 0.3 to 0.5 barg.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF).
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