The low voltage porcelain is mainly used for

Inhaling of fly-ash over a long period causes

The wedging is adopted for quarrying costly stratified rock such as

Pick up the correct statement from the following:

Inner part of a timber log surrounding the pith, is called

Pick up the correct statement from the following:

Teak wood is suitable for

In stone masonry, if stones are so placed that their layers are parallel to the direction of load, they

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