The strength of cement concrete is directly proportional to cement-water ratio.

The burning of bricks in kilns is complete within

The commonly used extender in a paint is

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

The shrinkage of concrete

According to Indian standard specifications, the full strength of concrete is achieved after

The rocks formed due to alteration of original structure under heat and excessive pressure are called metamorphic rocks.

The lime mortar is made from

Gneiss is chemically classified as