MCQOPTIONS
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| 1. |
Spalling of a refractory means its |
| A. | softening. |
| B. | fracture due to uneven expansion at high temperature. |
| C. | resistancce to compressive loads. |
| D. | resistance to chemical action of gases and molten fluxes. |
| Answer» C. resistancce to compressive loads. | |