Generally wooden moulds are made from

The main ingredients of Portland cement are

Advantage of a clamp compared to a kiln for burning bricks is that

The most commonly used retarder in cement is

Plastic asphalt is

Pick up the correct statement from the following:

Wrought iron is used for

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

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