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AIGF Exit Exam • Set 9 Question 8 of 30

_______ should have after treatment systems like oxidation catalyst

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Direct Answer

Option B: LNG fuel

LNG combustion, particularly in lean-burn engines, may require after-treatment systems like oxidation catalysts to manage methane slip and formaldehyde emissions. These systems are essential for ensuring that LNG-fueled vessels meet the stringent environmental criteria and air quality standards set by the IMO for low-flashpoint fuel operations.

All Options

A
petrol
B
LNG fuel (Correct Answer)
C
coal
D
gas fuel

Detailed Explanation & Context

LNG combustion, particularly in lean-burn engines, may require after-treatment systems like oxidation catalysts to manage methane slip and formaldehyde emissions. These systems are essential for ensuring that LNG-fueled vessels meet the stringent environmental criteria and air quality standards set by the IMO for low-flashpoint fuel operations.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Ships subject to the IGF Code (AIGF).

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