Low water concrete result in

The test conducted in the labouratory on the specimen made out of trial concrete mix is called

The concrete may achieve 100% strength after

The bond strength between steel and concrete is due to

The importance of batching is to obtain

A suitable admixture added at the time of preparing the concrete mix, makes the concrete

A ordinary Portland cement when tested for its fineness, should not leave any residue on I.S. sieve No. 9, more than

Which type of vibrator is generally used in concrete work?