MCQOPTIONS
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| 1. |
Graphite or carbon refractories%! |
| A. | Exihibit wetting characteristics |
| B. | Should be used in neutral or reducing atmosphere |
| C. | Exhibit high shrinkage on thermal treatment |
| D. | Are not resistant to corrosion by slag |
| Answer» C. Exhibit high shrinkage on thermal treatment | |