Related Questions

The fuel mostly used in blast furnace for extracting pig iron from iron ores is
A Hard coke
B Soft coke
C Pulverized coal
D Bituminous coal
Wrought iron is manufactured from pig iron by
A Refining
B Pudding
C Shingling
D All the above
Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as
A Bessemer pig
B Grey or foundry pig
C White or forge pig
D Mottled pig
Among the following iron ores, the highest percentage of iron content is found in–
A Haemetite
B Magnetite
C Limnonite
D None of these
The variety of pig iron used for manufacture of wrought iron, is
A Bessemer pig
B Grey or foundry pig
C White forge pig
D Mottled pig
__________ iron is produced, when molten pig iron is allowed to cool gradually.
A White cast
B Grey cast
C Wrought
D None of these
__________ iron is produced, when molten pig iron is chilled suddenly.
A White cast
B Grey cast
C Wrought
D None of these
Pig iron is produced by blast furnaces in India using mostly the iron ore named
A Hematite
B Magnetite
C Siderite
D Chalcopyrite
The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon.
A 0.2
B 2
C 4
D 8
Calcination of iron ores is done
A To remove moisture
B To remove carbonic acid
C By roasting in heaps
D All the above

Next steps