The variety of pig iron used for the manufacture of steel by Bessemer process, is

For the manufacture of Portland cement, the proportions of raw materials used, are

Seasoning of timber is essential to remove

Pick up the correct statement from the following:

Pick up correct statement from the following:

Initial setting of cement is caused due to

French polish is

Hydraulic lime is obtained by

The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel…