MCQOPTIONS
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MCQOPTIONS
| 1. |
For process annealing, the steel is heated at a temperature range of _________ |
| A. | 550-650<sup>o</sup>C |
| B. | 723-910<sup>o</sup>C |
| C. | 723-1138<sup>o</sup>C |
| D. | 750-800<sup>o</sup>C |
| Answer» B. 723-910<sup>o</sup>C | |