Refractory bricks resist

If ‘P’ is the percentage of water required for normal consistency, water to be added for determination of in…

Basalt is

The rock generally used for roofing, is

A pug mill is used for

The weight of 1 m<sup>3</sup> of brick earth, is about

The type of bond provided in brick masonry for carrying heavy loads is

The rocks having alumina or clay as their major constituents are known as

As per IS specifications, the maximum final setting time for ordinary Portland cement should be