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Which failure occurs more readily when piston quench height increases?

A)Detonation within the combustion chamber
B)Lubrication oil leakage to the crankcase
C)Increased thermal conduction to cylinder
D)Rocker arm assembly misalignment damage

💡 Explanation

Detonation risk climbs as quench height grows because increased unburned gases compress creating hot spots triggering auto-ignition, a positive feedback mechanism; therefore detonation is more likely, rather than increased lubrication failure at normal piston rings clearances.

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