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← TechnologyWhich limitation commonly arises when exceeding a turbocharger's surge line?
A)Airflow reversal and compressor stall✓
B)Excessive turbine blade temperature
C)Bearing failure due to oil starvation
D)Intercooler efficiency drastically decreases
💡 Explanation
Surge occurs because back-pressure forces air back through the compressor. This exceeds the compressor's ability to maintain stable airflow, a phenomenon called compressor stall. Therefore airflow reverses through the turbocharger rather than providing boost, creating noise and potentially damaging the compressor wheel.
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