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Q. |
Defects caused by the chilling of the casting are known as? |
A. | hot spots |
B. | hot tears |
C. | shrinkage cavity |
D. | swell |
Answer» A. hot spots | |
Explanation: hot spots are the thick sections, those cool slower than other sections causing abnormal shrinkage. defects such as voids cracks and porosity are created at these hot spots. |
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