MCQOPTIONS
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| 1. |
In resin bond cores, the core is baked at what temperature? |
| A. | 275°F – 390°F |
| B. | 375°F – 450°F |
| C. | 485°F – 645°F |
| D. | 775°F – 880°F |
| Answer» C. 485¬¨¬®‚Äö√†√ªF ‚Äö√Ñ√∂‚àö√ë‚àö¬® 645¬¨¬®‚Äö√†√ªF | |