The substance which is used for removing the excess material by means of cutting is called ________

Which of the following is not a property of asphalt?

Coal gas is obtained by thermal decomposition of coal in the presence of air at low temperature.

Nitrocellulose glues are prepared from _____

Clay predominates in calcareous materials while calcium carbonate predominates in argillaceous materials.

Which of the following compounds is not formed during the setting action of the cement?

The power to resist an electric stress is called as _______

___________ is the binding material of acid-resistant cement.