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Q. |
The pouring of molten metal during casting should be stopped when |
A. | Molten metal rises in the riser |
B. | Molten metal is exhausted |
C. | Molten is full |
D. | Molten metal is seen through the riser |
E. | Molten metal flows out of the riser |
Answer» A. Molten metal rises in the riser |
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