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← TechnologyWhich outcome arises when a turbocharger overspeeds in a gasoline engine?
A)Piston ring failure due to excessive pressure✓
B)Cylinder head warping from thermal load
C)Catalytic converter damage from rich mixture
D)Crankshaft bearing wear from oil dilution
💡 Explanation
When a turbocharger overspeeds, extreme pressure increase occurs due to increased air flow at the intake, which exceeds the pistons design limit leading to mechanical failure via piston ring failure. Therefore piston ring failure results, rather than warping, damage or wear, which are linked to uncombusted fuel or thermal concerns.
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