MCQOPTIONS
Saved Bookmarks
| 1. |
The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. |
| A. | 6 |
| B. | 12 |
| C. | 18 |
| D. | 34 |
| Answer» D. 34 | |