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				| 1. | what is the order of ductile to brittle transition temperature for killed steel, semi-killed steel, and rimmed steel? | 
| A. | Killed steel>Semi-killed>Rimmed steel | 
| B. | Killed steel<Semi-killed<Rimmed steel | 
| C. | Rimmed steel >Killed steel>Semi-killed | 
| D. | Rimmed steel<Killed steel<Semi-killed | 
| Answer» C. Rimmed steel >Killed steel>Semi-killed | |