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← TechnologyWhich risk increases when operating a reciprocating air compressor's crankshaft beyond its rated speed?
A)Increased connecting rod fatigue failures✓
B)Decreased lubrication oil film thickness
C)Elevated intercooler thermal stress
D)Reduced intake valve closing efficiency
💡 Explanation
Running the crankshaft beyond its rated speed increases inertia load, therefore leading to increased connecting rod fatigue failures due to resonance enhancement in the metallic structure. Rather than reduced efficiency, this failure becomes more catastrophic due to load accumulation.
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