Pick up the correct statement from the following:

Spirit varnish generally consists of

For a good building stone, its specific gravity should the greater than

A heavy stone is suitable for

The coefficient of hardness of stones used in road work should be greater than

Quick lime (or caustic lime)

The practical limit of moisture content achieved in air drying of timber is

The foliated structure is very common in

The stretcher bond in brick masonry can be used only when the thickness of wall is