AIGF Exit Exam • Set 6 Question 1 of 30
Disadvantage of rerating a engine is
✓
Direct Answer
Option A: this may require additional denox measures
Rerating or modifying engine combustion for higher maximum pressure without proper tuning may elevate peak combustion temperatures, potentially increasing NOx formation.
All Options
A
this may require additional denox measures
(Correct Answer)
B
increased specific fuel oil consumption
C
this may require additional sox measures
D
None of the above
Detailed Explanation & Context
Rerating or modifying engine combustion for higher maximum pressure without proper tuning may elevate peak combustion temperatures, potentially increasing NOx formation.
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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