Question

Consider the following statements:
The addition of surfactants in the concrete mix results in
1. increase in the water-cement ratio
2. decrease in the water-cement ratio
3. increase in the strength of concrete
4. decrease in the curing duration
5. increase in the density of concrete
Which of these statements are correct?

• A. 1, 3 and 4
• B. 2, 3 and 5
• C. 3, 4 and 5
• D. 1, 4 and 5

Answer 1

The correct option is B 2, 3 and 5

The addition of surfactants in concrete mix decreases water-cement ratio thereby increasing the strength. Also curing duration is increased.