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← TechnologyWhich 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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