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← ScienceWhich consequence results when impeller cavitation occurs in an engine's cooling system?
A)Elevated exhaust gas recirculation rates
B)Reduced engine cooling capacity✓
C)Increased oil oxidation resistance
D)Higher overall volumetric efficiencies
💡 Explanation
Reduced engine cooling capacity is a result, because cavitation introduces vapor bubbles; The process of adiabatic cooling causes these bubbles to collapse violently near the impeller surfaces, reducing pumping efficiency therefore heat isn't removed effectively, rather than combustion stability concerns.
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