Question

Consider the following statements:
1. The compressive strength of concrete decreases with increase in water-cement ratio of the concrete mix.
2. Water is added to the concrete mix for hydration of cement and workability.
3. Creep and shrinkage of concrete are independent of the concrete mix.
Which of these statements are correct?

• A. 1 and 2 only
• B. 1 and 3 only
• C. 2 and 3 only
• D. 1, 2, and 3

Answer 1

The correct option is A 1 and 2 only

• Compressive strength of concrete has inverse relation to water cement ratio
• Workability increases on adding water for hydration of cement.
• Creep and shrinkage of concrete increases, with water-cement ratio.