Which outcome occurs when lean fuel mixtures combust in a turbocharger?

💡 Explanation

Increased turbine blade temperature occurs because lean fuel mixtures cause the flame temperature to increase due to a higher air/fuel ratio, leading to increased thermal load on the turbine via the mechanism of "stoichiometric imbalance." Thus, blade failure can result rather than improved engine efficiency.

• Which risk increases when stoichiometric fuel mixture fails?
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• Which risk rapidly increases when a fault current exceeds a three-phase transformer's short-circuit withstand capability?
• Which risk increases when a molded case circuit breaker interrupts a highly inductive fault current?
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