Grey pig is produced when the blast furnace is not provided with sufficient fuel while the white pig is produced when th…

Basalt is an example of _____ rock.

Which of the following is not a quality of a good thermal insulating material?

Quartz sand is an example of polymineralic rock while granite is an example of a monomineralic rock.

The manganese content in cast iron should be kept below ______

Which metal is used in the galvanisation of iron in order to prevent it from rusting?

The material obtained at the end of the shingling process is called as ____

The process of puddling is carried out in a ____