MCQOPTIONS
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| 1. |
A eutectoid steel is slowly cooled from a temperature of 750 C to a temperature just below 727 C. Calculate the percentage of ferrite and cementite. |
| A. | 88.3% and 11.7% |
| B. | 70% and 30 % |
| C. | 85.4% and 14.6% |
| D. | 20% and 20% |
| Answer» B. 70% and 30 % | |