A concrete supplier delivers a load with a measured slump much higher than ordered. Before rejecting or accepting, the BEST assumption about the likely cause and its effect is:

Giải thích

An unexpectedly high slump usually means water was added, increasing the water-cement ratio and lowering strength and durability. High slump does not indicate higher strength; slump affects workability and quality; a high slump is fluid, not stiff. Field-added water beyond the design must be evaluated before acceptance.