What is the primary purpose of sieve analysis of aggregate?
Correct answer: C. To determine aggregate particle-size distribution
- A. To determine aggregate absorption capacity
- B. To measure aggregate resistance to impact
- C. To determine aggregate particle-size distribution
- D. To measure aggregate surface moisture
Explanation
Sieve analysis separates aggregate particles into size ranges and gives the grading curve. Impact resistance, absorption, and surface moisture require different tests.
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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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