MCQOPTIONS
Saved Bookmarks
| 1. |
For baking standard core sand, the specimen needs to be heated at what temperature? |
| A. | 800°F |
| B. | 900°F |
| C. | 1000°F |
| D. | 1100°F |
| Answer» D. 1100¬¨¬®‚Äö√†√ªF | |