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CHEMCO Exit Exam • Set 8 Question 24 of 30

Typically nitrogen contained in inert gas generated from boiler flue gas, at the scrubber outlet is

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Direct Answer

Option D: 83%

Boiler flue gas, after passing through the scrubber and cooler, typically contains around 83% nitrogen, 14% carbon dioxide, and 3% oxygen. This composition is crucial for effective inerting, as per ISGOTT guidelines for maintaining a non-flammable atmosphere.

All Options

A
50%
B
60%
C
70%
D
83% (Correct Answer)

Detailed Explanation & Context

Boiler flue gas, after passing through the scrubber and cooler, typically contains around 83% nitrogen, 14% carbon dioxide, and 3% oxygen. This composition is crucial for effective inerting, as per ISGOTT guidelines for maintaining a non-flammable atmosphere.

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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