Which of the following stone is best suited for construction of piers and abutments of a railway bridge?

Wrought iron is manufactured from pig iron by

Pick up the correct statement from the following:

The initial setting time of lime-pozzolana, is

Which of the following should be used for hearting of thicker walls?

The percentage of alumina and silica in good fire clay vary respectively is

Percentage of silica in a good brick earth lies between

For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in …

Duco paints are