Which risk is amplified following a turbocharger oil supply failure in a diesel engine?

A)Compressor surge occurrence probability✓

B)Exhaust valve thermal cracking rate

C)Intercooler icing likelihood increment

D)Crankshaft bearing hydrodynamic instability

💡 Explanation

When oil supply to the turbocharger fails, lubrication ceases and bearing friction drastically increases, causing rotational speed fluctuations that lead to unsteady airflow which generates compressor surge. Therefore surge probability greatly increases, rather than valve cracking, intercooler icing, or bearing instability, which are effects of different failure modes.

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Which risk is amplified following a turbocharger oil supply failure in a diesel engine?

💡 Explanation

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