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← TechnologyWhich risk increases dramatically when harmonic dampers fail on diesel crankshafts?
A)Torsional resonance and crankshaft failure✓
B)Excessive connecting rod bearing wear
C)Reduced valve timing accuracy
D)Increased fuel injector carbon buildup
💡 Explanation
Torsional resonance and subsequent crankshaft failure will occur because the harmonic damper normally provides **tuned mass dampening**, which neutralizes destructive vibrations at critical engine speeds; therefore resonance damage is prioritized, rather than bearing wear which represents a distinct issue.
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