In brick masonry the bond produced by laying alternate headers and stretchers in each course is known as

Gypsum consists of

For high grade instruments the steel preferred to, is

Pick up the correct statement from the following:

The standard size of masonry bricks, is

When a brick is immersed in water for 24 hours and then dried, if

Pick up the correct statement from the following:

Bitumen felt

Pick up the hypabyssal rock from the following: