LGTCO/LGTF Exit Exam • Set 6 Question 14 of 30
What is the function of cargo tank relief valve on a liquefied gas carrier?
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Direct Answer
Option A: prevents overpressure of the cargo tank
Cargo tank pressure relief valves prevent dangerous overpressure by releasing vapor to vent risers when tank design pressure limits are approached.
All Options
A
prevents overpressure of the cargo tank
(Correct Answer)
B
to reduce crew watchkeeping requirements
C
to replace cargo documentation
D
to store domestic fresh water
Detailed Explanation & Context
Cargo tank pressure relief valves prevent dangerous overpressure by releasing vapor to vent risers when tank design pressure limits are approached.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF).
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