MCQOPTIONS
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MCQOPTIONS
| 1. |
What is hearth in a furnace? |
| A. | The electrodes are often called hearth |
| B. | The walls of the furnace |
| C. | The bowl shaped bottom of the furnace |
| D. | The dome shaped roof of the furnace |
| Answer» D. The dome shaped roof of the furnace | |