The process of converting pig iron into wrought iron by stirring in the molten state is called as _____

Augite forms crystals of ____ shape.

The manganese content in cast iron should be kept below ______

Cordite is prepared from _______

Which of the following is the lowest part of the blast furnace?

According to Indian Standards, overall thermal transmittance of a wall should not be more than ______ kcal/m2 h deg C.

Latin word for iron is ____

The acid test used for testing building stones cannot be applied to limestones.