The diameter of the Vicat plunger is 10 mm and its length varies from

The minimum grade of concrete prescribed for prestressed construction is

Ferro-concrete is another name given to Ferro = iron

Slump test of concrete is a measure of its

The tricalcium aluminate in cement has the property of

High percentage of tricalcium silicate and low percentage of dicalcium silicate in cement results in

The workability of concrete is defined as the

The approx. ratio of direct tensile strength to flexural strength is