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← HistoryWhich outcome occurs when a traditional Chinese iron-casting clay mold cracks during pouring?
A)Alloy segregation across the iron
B)Increased risk of hot tearing
C)Uncontrolled gas escape from the mold
D)Dimensional deviation and metal flashing✓
💡 Explanation
Dimensional inaccuracy and flashing occurs because the cracked mold loses its shape during molten metal filling; therefore the casting cools with incorrect dimensions and extra unwanted metal, rather than the intended form maintaining proper dimension if the mold remained intact.
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