Computer · Concrete Technology
As per Indian Standards (IS 269), what is the minimum specific surface area required for Ordinary Portland Cement (OPC) when tested by the Blaine air permeability method?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12000 cm2/g
- 22250 cm2/g✓
- 33200 cm2/g
- 43250 cm2/g
Correct answer
2250 cm2/g
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