McqMate
| Q. |
The impurity of mixing water which affects the setting time and strength of concrete, is |
| A. | sodium sulphates |
| B. | sodium chlorides |
| C. | sodium carbonates and bicarbonates |
| D. | calcium bicarbonates |
| Answer» C. sodium carbonates and bicarbonates | |
View all MCQs in
Concrete Technology and DesignNo comments yet