For lean concrete bases and simple foundation for masonry walls ____ grades of concrete may be used.

The use of reinforcement in the no-fines concrete is generally ____

________ is the commonly accepted theory of corrosion.

The concrete is contained in a timber or steel casing for a certain period after its placing, this casing is known as th…

_________ vibrators are mounted on platforms or screeds.

What is minimum cement content for concrete permanently under sea water to avoid the corrosion of reinforcement?

It is observed that in cold weather, the curing is _____ in the initial stages of the setting of concrete.

For ___ mixing, the materials are stacked on watertight platform, which may be either of wood, Brick or steel.