Computer · Civil Engineering - Building Materials
When ordinary Portland cement is tested for fineness by Blaine's air permeability method as per IS:4031, the specific surface area of cement shall NOT be less than _____.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1225 × 106 mm2/kg
- 2225 × 104 mm2/kg✓
- 32250 × 102 mm2/kg
- 4225 mm2/kg
Correct answer
225 × 104 mm2/kg
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