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Q. |
Swell is a defect in castings due to |
A. | Enlargement of the mould cavity by metal pressure causing partial or overall enlargement of the casting |
B. | Working on cooling |
C. | Moisture in moulding sand |
D. | Thin projection of casting due to gap between flasks |
E. | Mis-mathcing of mould at the parting line |
Answer» A. Enlargement of the mould cavity by metal pressure causing partial or overall enlargement of the casting |
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