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 -
Explanations:
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