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

In order to dry the quarry sap of a freshly quarried slone, it should be exposed to open air for a period of

The colour of brick depends upon the amount of iron oxide present in the clay.

The dressing of stone is done

Limestone is physically classified as

The rocks formed due to solidification of molten mass laying below or above the earth surface, are called

The slump test of concrete is used to measure its

The compressive strength of ordinary cement is less than its tensile strength.

The process of mixing clay, water and other ingredients to make bricks, is known as