MCQOPTIONS
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MCQOPTIONS
| 1. |
_The temperature required for full annealing in hypereutectoid steel is$? |
| A. | 30° C to 50° C above upper critical temperature |
| B. | 30° C to 50° C below upper critical temperature |
| C. | 30° C to 50° C above lower critical temperature |
| D. | 30° C to 50° C below lower critical temperature |
| Answer» D. 30¬¨‚àû C to 50¬¨‚àû C below lower critical temperature | |