Moorum is a decomposed laterite and has deep brown or red colour.

The commonly used lime for works under water or in damp situations is

The greater the percentage of tri-calcium silicate in the cement, the better will be the cement.

The compressive strength of second elass bricks should bot be less than

The frog of a brick is normally made on its

For one cubic metre of brick masonry, the number of bricks required are

Which of the following is an example of agrillaceous rock?

The rocks formed due to solidification of molten mass laying below or above the earth surface, are called

The coefficient of linear expansion of concrete is almost the same as that of steel.