In the fineness modulus calculation for fine aggregate, the sum of cumulative percentages retained is divided by
Correct answer: C. 100
- A. 10
- B. 50
- C. 100
- D. 1000
Explanation
Fineness modulus is calculated by adding the cumulative percentages retained on the specified sieves and dividing the sum by 100. It gives an index of the average particle size of the aggregate.
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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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