Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a

The main constituent which imparts hydraulicity to hydraulic lime is

A 1<sup>st</sup> class brick immersed in water for 24 hours, should not absorb water (by weight) more than

Blister steel

Which of the following is a mineral?

Bitumen may be dissolved in

The portion of a brick cut to form angles other than right angles in plan, is known as

Which of the following has more fire resisting characteristics?

Seasoning of timber is essential to remove