Class 4 (4th Engineer) MEKM 📅 Apr 2024

Exam Question

(a) Describe means of recognizing deterioration of the lubricating oil (8)

(b) Describe how lubrication oil is conveyed to top end, bottom end and main bearing in large bore 2-stroke crosshead type slow speed diesel engine, you are familiar with (8)

Reference Answer

### (a) Means of Recognizing Deterioration of Lubricating Oil
Deterioration of lubricating oil can be recognized through a combination of regular onboard tests and periodic shore-based laboratory analysis. A systematic approach ensures that the oil condition is maintained within acceptable limits, preventing machinery damage.
#### 1. Onboard Sensory and Physical Checks
These are qualitative checks that can provide an early indication of a problem.

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