In order to reduce thermal loading on the upper part of the liner and increase the effectiveness of cylinder lubrication, modern 2-stroke marine diesel engines are designed to have:

A. Cermet coated piston rings, bore cooled liners and uniflow scavenging
B. High top land of piston crown and deeper cylinder cover with top land of crown extending into cylinder cover at TDC
C. Low top land of the piston crown with bore cooled cylinder liner
D. Bore cooled cylinder liner and bore cooled piston crown with toroidal shape combustion chamber

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MCQ.Marinesite

In order to reduce thermal loading on the upper part of the liner and increase the effectiveness of cylinder lubrication, modern 2-stroke marine diesel engines are designed to have:

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