Linseed oil in paint is used as a

The compressive strength of perforated bricks should not be less than

Moorum is a decomposed laterite and has deep brown or red colour.

The workability of cement concrete can be improved by

The main constituent of a Portland cement is

The good clay for making bricks is

The quarrying of stone by the method of wedging is successfully carried out in

Eminently hydraulic lime is one in which the percentage of silica, alumina and iron oxide is

The hydraulic lime which resembles very much with Portland cement in its chemical composition is called.