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Q: How many tests can be performed in order to find the fineness of cement?
  • A. 2
  • B. 20
  • C. 1
  • D. 10
Correct Answer: Option A - Fineness of cement is tested in two ways– (a) By sieving (b) By determination of specific surface (total surface area of all the particles in one gram of cement) • By air-permeability apparatus. • Expressed as cm²/gm or m²/kg. Generally blaine air permeability apparatus is used.
A. Fineness of cement is tested in two ways– (a) By sieving (b) By determination of specific surface (total surface area of all the particles in one gram of cement) • By air-permeability apparatus. • Expressed as cm²/gm or m²/kg. Generally blaine air permeability apparatus is used.

Explanations:

Fineness of cement is tested in two ways– (a) By sieving (b) By determination of specific surface (total surface area of all the particles in one gram of cement) • By air-permeability apparatus. • Expressed as cm²/gm or m²/kg. Generally blaine air permeability apparatus is used.