Which outcome occurs when ultra-lean fuel mixtures auto-ignite?

💡 Explanation

Knock-induced engine damage results from detonation waves caused by uncontrolled auto-ignition ahead of the flame front. The mechanism is uncontrolled homogeneous combustion, because the compressed unburnt mixture rapidly combusts; therefore it causes knock, rather than controlled combustion.

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• Which outcome occurs when a PLC controlling a chemical plant's reactor cooling system experiences latch-up?
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