engineering recuitment Maharashtra WCD Water Conservation Officer Mock Test 2024 Construction Materials and Management Concrete
Which one of the following statements is NOT correct with respect to mix design?
1
The mix must be workable so that it can be placed and finished easily.
2
The cement is the most costly ingredient in the concrete mix.
3
The strength and water tightness increase with the density of the mix.
4
Increasing the water content beyond that required for plasticity causes the strength to increase constantly.