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Q: As per IS 12600 : 1989, the fineness of low heat Portland cement determined by Blaine's air permeability method, the specific surface of cement shall NOT be less than:
  • A. 300 m²/kg
  • B. 320 m²/kg
  • C. 220 m²/kg
  • D. 400 m²/kg
Correct Answer: Option B -
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Explanations:

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