What does the term 'fineness modulus' refer to in aggregate testing?
Correct Answer: Fineness modulus is a numerical value that indicates the coarseness or fineness of aggregate particles.
- Step 1: Understand that 'fineness modulus' is a term used in aggregate testing.
- Step 2: Know that aggregates are materials like sand, gravel, or crushed stone used in construction.
- Step 3: Realize that fineness modulus measures the size of the aggregate particles.
- Step 4: Learn that a higher fineness modulus means the aggregate is coarser (larger particles).
- Step 5: Understand that a lower fineness modulus means the aggregate is finer (smaller particles).
- Step 6: Remember that this measurement helps in determining the right mix for concrete or other construction materials.
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