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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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