MCQOPTIONS
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| 1. |
Highly alloyed tool steels are tempered in the range of _____? |
| A. | 100⁰C – 190⁰C |
| B. | 180⁰C – 300⁰C |
| C. | 450⁰C – 620⁰C |
| D. | 500⁰C – 600⁰C |
| Answer» E. | |