CHEMCO Exit Exam • Set 5 Question 8 of 30
The purpose of inert gas systems aboard tankers is to
✓
Direct Answer
Option B: prevent outside air from entering the tank
Inert gas systems are crucial for preventing explosions by displacing oxygen within cargo tanks. This reduces the oxygen concentration below the flammable limit, as detailed in the IBC Code and ISGOTT.
All Options
A
allow sufficient oxygen in the tank to sustain life
B
prevent outside air from entering the tank
(Correct Answer)
C
provide increase in cargo discharge pressure
D
comply with double hull pollution prevention regulations
Detailed Explanation & Context
Inert gas systems are crucial for preventing explosions by displacing oxygen within cargo tanks. This reduces the oxygen concentration below the flammable limit, as detailed in the IBC Code and ISGOTT.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).
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