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← TechnologyWhich risk to precision increases significantly when centerless grinding exceeds temperature limits?
A)Thermal expansion of workpieces✓
B)Increased tool wear rate
C)Decreased grinding wheel porosity
D)Elevated coolant vaporization losses
💡 Explanation
Thermal expansion in workpieces dramatically alters dimensions because heat increases material volume via thermal dilation, therefore dimensional accuracy decreases rather than alternative issues like tool wear becoming primary.
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