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.

800
1600
4000
8500
✅ The correct answer is option B.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top