(a) Explain what is meant by the term Machinery Abstract.(4)
(b) List SIX items which would be recorded in a typical Machinery Abstract.(6)
(a) Machinery Abstract (4 marks)
- The Machinery Abstract is a summary of the daily operational data for the ship’s main and auxiliary engines, usually extracted from the engine room log book.
- It provides a concise overview of important running conditions, consumptions, and performance trends.
- Used for management, analysis, and reporting (e.g. to owners, charterers, or classification societies).
- Helps in monitoring efficiency, scheduling maintenance, and ensuring compliance with statutory requirements.
(b) Six items recorded in a Machinery Abstract (6 marks)
Typical entries include:
- Main engine power output / RPM
- Fuel consumption (main and auxiliary engines)
- Lubricating oil consumption
- Freshwater and seawater cooling temperatures
- Exhaust gas temperatures (main and auxiliary engines)
- Operating hours of main and auxiliary engines
(Other acceptable examples: jacket cooling water chloride content, cylinder lubrication oil consumption, boiler performance, auxiliary machinery status, etc.)