A good building stone is one which does not absorb more than

The lime mortar is made from

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

A limestone found in seams of great thickness in non-crystalline texture with earthy appearance, is called

The moisture content in timber for framework should not exceed

The workability of cement concrete can be improved by

Sprit varnish consists of

Which of the following statements is wrong?

Hydraulic lime generates