The standard size of a masonry brick is 20 cm x 10 cm x 10 cm

The percentage of silica in a good brick clay should vary from

The base in a paint is added to

The liquid part of the paint is called

A fine-grained granite

Gun cotton is made by saturating cotton with nitric acid.

The purpose of seasoning of timber is to

The compressive strength of perforated bricks should not be less than

The constituent in lime which retard the slaking action and increase the rapidity of setting, is