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← ScienceWhich risk increases when a racing car diffuser stalls?
A)Increased turbulent boundary layer separation✓
B)Decreased engine cooling efficiency
C)Elevated tire degradation rate
D)Reduced structural integrity overtime
💡 Explanation
A stalled diffuser causes increased turbulent boundary-layer separation because adverse pressure gradients overcome the fluid's momentum; therefore, turbulent flow increases rather than smooth airflow; this has more influence, rather than cooling or tire life.
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