The paint which has high reflective property is

Marble contains mostly lime and silica.

The thin radial fibres extending from the pith to the cambium layer is called medullary rays.

A good refractory brick should withstand high temperature. It should also have low coefficient of expansion and contract…

The crushing strength of a stone depends upon its

The compressive strength of paving bricks should not be less than

The average out-turn of first class bricks in kiln burning is

When quarrying is to be done in hard stone and compact rocks, the usual method of quarrying is

The compressive strength of sandstone is