CHEMCO Exit Exam • Set 5 Question 28 of 30
An inert gas system installed on a tanker is designed to
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Direct Answer
Option D: lower the oxygen levels inside cargo tanks, making explosion nearly impossible
An inert gas system's primary function, mandated by regulations like the IBC Code, is to reduce the oxygen content in cargo tanks below the level required for combustion, thereby preventing explosions.
All Options
A
aid in the stripping and cleaning of cargo tanks
B
increase the rate of discharge of cargo
C
force toxic and explosive fumes from a cargo tank to vent to the outside atmosphere
D
lower the oxygen levels inside cargo tanks, making explosion nearly impossible
(Correct Answer)
Detailed Explanation & Context
An inert gas system's primary function, mandated by regulations like the IBC Code, is to reduce the oxygen content in cargo tanks below the level required for combustion, thereby preventing explosions.
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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