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Cast Iron Pig iron along with scrap iron, coke and limestone is melted in a vertical furnace called cupola. Here also the carbon and ...

About Metric System: Metric system is an International system of measurement used commonly for measuring units in the world. Metric sy...

Introduction : Pig iron is the intermediate product which is obtained during the smelting of iron ore with coke, in this process limest...

Introduction : Iron produced in the blast furnace is known as pig iron or cast iron.  Pig iron is the iron which contains 4% of carbon a...

Introduction : It is the speed of an air related to the aircraft among them the qualifying airspeed are Calibrated airspeed, Indicated ai...

Introduction : Light and sound are the essential part of our life and with an absence of one; we will not be able to communicate or to ...

Introduction : Air crafts with propellers in the initial stages were not able to perform well when they approached the speed of sound. T...