Correct answer
B. 6.5 to 8.0
Explanation
The correct answer is 6.5 to 8.0.
Workability of concrete is inversely pro¬portional to________?
For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be________?
If the peak discharge of a storm water drain (S.W. Drain) is expected to exceed 150 cumecs, the free board to be provided, is________?
The important test to be conducted on a stone used in docks and harbors is________?
The ultimate tensile strength of structural mild steel is about________?
In hydrometer analysis for a soil mass________?