4988. The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. September 7, 2025 by Admin 800 1600 4000 8500 ✅ The correct answer is option B.
