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Class 2 (2nd Engineer) MEKM 📅 Oct 2024

Exam Question

(a) Describe the precaution necessary during the initial running-in of an Auxiliary Engine run on which is newly installed or has a major overhaul. (6)

(b) Explain the possible causes of oxidation of lubricating oil. (5)

(c) State the frequency with which oil samples should be taken for analysis. (5)

Reference Answer

(a) Precautions necessary during the initial running-in of an Auxiliary Engine:
Use a low TBN oil in the sump.
Initially start the engine on DO, then change over to HFO but do not take load.
Allow the engine to run at no load for the time specified by the Maker.

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