Index number expressing the relative sizes of both coarse and fine aggregates, is called

Which one of the following is used for preparing porcelain?

For melting one tonne of cast iron

Red short iron cracks when bent due to the presence of

The commonly used base for iron and steel work, is

For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in …

Bessemer process is used for the manufacture of

The portion of a brick cut to form angles other than right angles in plan, is known as

Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum,…