Which outcome occurs when thermal contact resistance increases between a combustion engine's cylinder liner and coolant jacket?

💡 Explanation

When thermal contact resistance increases, heat transfer from the cylinder liner to the coolant is impeded because of microscopic air gaps, causing localized hotspots and potential material weakening, leading to component failure. Therefore, hotspots will occur, rather than altered injection, exhaust or lubrication, which rely on different operational parameters or coolant properties.

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