MCQOPTIONS
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| 1. |
Which of the following is/are the causes for the poor oxidation resistance of metal oxide with high Pilling and Bed worth ratio? |
| A. | Large compressive stresses in the oxide |
| B. | Cracking |
| C. | Spalling |
| D. | Large compressive stresses in the oxide, cracking and spalling |
| Answer» E. | |