Chemically, marble is known as

Pick up the correct statement from the following:

The trunk of tree left after cutting all the branches is known as

Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good b…

Which of the following cements contains maximum percentage of dicalcium silicate?

Ultimate strength to cement is provided by

Second class bricks

Pick up the correct statement from the following:

The minimum compressive strength of 1<sup>st</sup> class bricks should be