AIGF Exit Exam • Set 9 Question 6 of 30
________ is an engine for reduction of the vessels maximum speed to increase the efficiency by limiting the potential power output
✓
Direct Answer
Option D: derating
Engine derating involves limiting the maximum power rating of a marine engine to optimize its thermal efficiency and specific fuel consumption at lower operating speeds.
All Options
A
over rating
B
rerating
C
None of the above
D
derating
(Correct Answer)
Detailed Explanation & Context
Engine derating involves limiting the maximum power rating of a marine engine to optimize its thermal efficiency and specific fuel consumption at lower operating speeds.
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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