For a concrete mix made with a known aggregate grading, the fineness modulus of sand is primarily used to indicate its
Correct answer: D. Average particle size
- A. Resistance to crushing
- B. Cement content
- C. Water absorption limit
- D. Average particle size
Explanation
Fineness modulus is an index of the average coarseness or fineness of an aggregate based on sieve analysis. It is not a direct measure of cement content, absorption or crushing strength.
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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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