AIGF Exit Exam • Set 5 Question 25 of 30
low specific fuel oil consumption at all loads can be achieved by
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Direct Answer
Option B: derating a propulsion engines
Engine derating optimizes engine timing, compression ratio, and turbocharging for lower continuous service power, minimizing specific fuel oil consumption (SFOC).
All Options
A
medium rating propulsion engines
B
derating a propulsion engines
(Correct Answer)
C
low rating propulsion engines
D
high rating propulsion engines
Detailed Explanation & Context
Engine derating optimizes engine timing, compression ratio, and turbocharging for lower continuous service power, minimizing specific fuel oil consumption (SFOC).
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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