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MEO Class IV – EK-General : 2023/JUL/04

Question

Q4. i) what are the type of contaminants which affect lubricating oils? Briefly explain each of them. (6)

ii) what measures are adopted to prevent their entry into machinery lubricating oils systems. (4)

iii) How contaminated oils are dealt with on ships? Particularly in the case of bacterial attack. (6)

Asked in Year/Month/Ques No.

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