Computer · Concrete Technology
Consider the following statements regarding concrete production: A. The pH value of water for making concrete should be more than 8.5 to produce corrosion-resistant concrete. B. The presence of sugar causes retardation in the setting of concrete. C. Entrained air voids reduce resistance against freeze-thaw deterioration. D. Chlorides should be less than 0.6 kg/m3 in the water used for construction of reinforced concrete. Which of the above statements is/are correct?
- 1A and B
- 2B and C
- 3B and D✓
- 4A and C
Correct answer
B and D
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