Piston rings are replaced on the cylinder unit of a medium or slow speed diesel engine. All measurements of the cylinder liner and piston are within limits, as is condition of intake/exhaust valves. What is the end result of the ring replacement?

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Accepted Answer

Increased cylinder compression pressure and efficiency.

Answer

Increased cylinder compression ratio.

Answer

Decreased cylinder clearance volume.

Answer

Reduced mechanical wear of the cylinder liner.

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