MCQOPTIONS
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| 1. |
For ferrous alloys, the breaking of mould should be done at a temperature_____ |
| A. | 780 ‚Äö√Ö‚àûC |
| B. | 850 ‚Äö√Ö‚àûC |
| C. | above 700 ‚Äö√Ö‚àûC |
| D. | below 700 ‚Äö√Ö‚àûC |
| Answer» E. | |