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← TechnologyWhich 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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