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← TechnologyWhich risk increases when steel casting molds crack due to internal stresses?
A)Dimensional tolerance loss in castings✓
B)Increased grain size in castings
C)Reduced casting cooling solidification rate
D)Elevated ceramic core inclusion rates
💡 Explanation
Dimensional tolerance loss can occur due to mold distortion via ductile/brittle fracture; because the steel cools and solidifies within the deformed mold, producing out-of-spec parts, rather than accurate ones. It doesn't directly affect grain size; therefore dimensional integrity is the predominant risk.
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