McqMate
| Q. |
The percentage of silica in a good brick clay should vary from |
| A. | 20 to 30% |
| B. | 30 to 40% |
| C. | 40 to 50% |
| D. | 50 to 60% |
| Answer» D. 50 to 60% | |
View all MCQs in
Building MaterialsNo comments yet