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| Q. |
When α, L and β phase fields touch the isotherm line what are the respective phase compositions? |
| A. | 8.0 wt%, 71.9 wt%, 91.2 wt% of ag |
| B. | 8.0 wt%, 91.2 wt%, 71.9 wt% of ag |
| C. | 71.9 wt%, 91.2 wt%, 8.0 wt% of ag |
| D. | 91.2 wt%, 8.0 wt%, 71.9 wt% of ag |
| Answer» A. 8.0 wt%, 71.9 wt%, 91.2 wt% of ag | |
| Explanation: for binary systems, when three phases are present, there will be f = 0, so composition is fixed. | |
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