The specific gravity of ordinary Portland cement is approximately
Correct answer: C. 3.15
- A. 1.15
- B. 2.15
- C. 3.15
- D. 4.15
Explanation
Ordinary Portland cement has a specific gravity of about 3.15. This value is used in absolute volume calculations during concrete mix design.
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About Concrete Technology
Concrete technology covers cement, aggregates, water and admixtures, including their properties, proportioning and effect on fresh and hardened concrete. It explains workability, water-cement ratio, setting, hydration, strength, durability, curing, mix design and common defects, while distinguishing segregation and bleeding from general loss of workability.
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