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Class 4 (4th Engineer) SSEP 📅 Jan 2025

Exam Question

(a) What are the sulphur limits for fuel in use under MARPOL? (5)

(b) What happens if compliant fuel cannot be obtained in the port of bunkering? (5)

(c) What if the sulphur analysis resulting from a commercial analysis does not match the bunker delivery note? (5)

(d) What are the timelines for installation of "in use" fuel sampling points on ships? Does it apply for existing ships? (5)

Reference Answer

### (a) Sulphur Limits for Fuel in Use Under MARPOL
Under MARPOL Annex VI, Prevention of Air Pollution from Ships, there are strict sulphur limits for fuel oil in use onboard ships, designed to reduce harmful sulphur oxide (SOx) emissions. These limits are divided into global limits and stricter limits for Emission Control Areas (ECAs):
* **Global Sulphur Limit:**
* The maximum sulphur content permitted in fuel oil used on board ships operating outside an Emission Control Area (ECA) is **0.50% m/m (mass by mass)**.

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