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MEO Class II – EK-Motor : 2021/DEC/03 – 2022/MAR/09
Question

Q9. With reference to a large slow speed 2 stroke engine:

(a) Draw a simple sketch (cross section) of a lubricating oil type piston, showing the flow path of Lubricating oil and label the various components of piston.

(b) Explain how the piston’s crown is cooled effectively during the operation of the engine by lubricating oil.

(c) Compare advantages and disadvantages of lubricating oil piston cooling systems with Fresh water piston cooling systems.

Asked in Year/Month/Ques No.
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