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← TechnologyWhich risk increases when thermal fluctuations exceed machine stability during precision grinding?
A)Harmonic resonance amplification
B)Surface finish degradation✓
C)Overload safety tripping
D)Material phase transformation
💡 Explanation
Surface finish degradation results because thermal expansion introduces errors in grinding setup, altering surface profile via *geometric error propagation*, therefore increasing roughness, rather than resonance, tripping, or phase changes which are independent processes under these typical thermal limits.
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