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Which outcome occurs when improperly trued grinding wheels overheat?

A)Thermal runaway oxidation
B)Accelerated abrasive delamination
C)Increased coolant vaporization
D)Enhanced surface passivation

💡 Explanation

Thermal runaway oxidation occurs because friction from an untrued grinding wheel raises surface temperatures and promotes rapid oxidation above critical thresholds, leading to material property changes; therefore oxidation accelerates damage, rather than surface finish improvement with passivation or reduced cooling vaporization.

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