← MeoMock / Written exams
Class 1 (Chief Engineer) Engineering Management 📅 Sep 2021

Exam Question

The vessel in which you are Cheif Engineer is about to be laid up up to 3 months for commercial reasons. All equipment and machinery onbord require to be preserved during the lay-up period for re-commissioning when required. Describe the actions you will take as Chief Engineer to prepare the Main propulsion diesel engine for preserving during the lay-up period.

Reference Answer

As Chief Engineer, my primary responsibility during a lay-up is to ensure the main propulsion engine is preserved in a state that prevents deterioration and allows for a swift, reliable re-commissioning. For a 3-month period, this procedure aligns with a 'Hot Lay-Up'. The plan is executed in distinct phases: pre-shutdown preparation, immediate post-shutdown actions, systematic preservation of components, and establishing a periodic maintenance routine.
### Phase 1: Preparatory Actions (Before Engine Stoppage)
This phase is critical to purge corrosive contaminants and prepare the systems for a static condition.
1. **Fuel System Changeover**: The engine will be changed over from Heavy Fuel Oil (HFO) to a low-sulfur distillate fuel, typically Marine Gas Oil (MGO).

Full answer on MeoMock — surveyor-grade reference answers for 7,000+ written exam questions.

View plans Browse library

← Browse more questions

Prepare on Android — MeoMock on Google Play