Which outcome occurs when oil's viscosity decreases within a journal bearing?

💡 Explanation

Decreased viscosity allows thinner oil films; boundary lubrication prevails because fluid film lubrication diminishes; therefore, increased bearing wear occurs at higher speeds due to asperity contact, rather than cooler temperatures, superior load capacity, or greater damping.

• Which outcome results when exceeding the detonative limit in a diesel engine?
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• Which outcome results when exceeding the flame quenching distance within an internal combustion engine?