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MEO Class IV – EK-Motor : 2024/FEB/04 – 2023/SEP/04
Question
Q4. With reference to lubricating oil:
(a) Explain why oil employed in the crankcase of a trunk piston engine differs in its properties
from that employed in the crankcase of a crosshead engine. (6)
(b) List FOUR effects of bacterial attack on crankcase oil.
(c) Explain the action which must be taken if bacterial attack of the crankcase oil is detected. (4)
Asked in Year/Month/Ques No.