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Which outcome occurs when excessive cylinder pressure overcomes lubricating oil's limit in a reciprocating diesel engine?

A)Piston ring blow-by accelerates rapidly
B)Thermal efficiency inherently improves markedly
C)Exhaust gas recirculation completely ceases
D)Fuel consumption dramatically reduces

💡 Explanation

Increased blow-by significantly accelerates because disruption of the oil film is caused by extreme Ring Flutter, allowing combustion gasses leak past the piston rings; therefore, gases escape, severely affecting combustion and contaminating lubricating oil, rather than improving engine operation.

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