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← TechnologyIn turbocharged diesel engines, what mechanical risk increases when excessive cylinder pressure creates high stress on pistons?
A)Premature ring wear from deformation✓
B)Valve float from increased heat
C)Fuel injector clogging from deposits
D)Coolant boiling from jacket pressure
💡 Explanation
When excessive cylinder pressure exceeds piston strength, material deformation occurs because the extreme force elastically distorts piston shape, wearing down piston rings. Therefore premature ring wear increases, rather than valve float, injector clogs, or premature boiling, which result from other failure modes.
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