Related Questions

Which is the main reducing agent during production of iron from iron ore in a blast furnace?
A C
B CO
C CO2
D H2
__________ is used as a flux in the extraction of iron from iron ore (hametite) in blast furnace.
A Bauxite
B Limestone
C Quartz
D Manganese
Pig iron is produced by blast furnaces in India using mostly the iron ore named
A Hematite
B Magnetite
C Siderite
D Chalcopyrite
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
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
In the blast furnace, incorporation of water vapour in the blast gives the following effect.
A Increases the reducing potential of the gas
B Increases the flame temperature
C No significant change occurs
D Increases the hydrogen content in the metal
Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent.
A 20
B 40
C 60
D 80
Operation of blast furnace stove is based on the principles of a __________ furnace.
A Regenerative
B Recuperative
C Both A and B
D Neither A nor B
K produces 100 parts twice as fast as G does. G produces 100 parts in 40 minutes. If each produces parts at a constant rate, how many parts will K produces in 6 minutes.
A 30
B 25
C 20
D 15
For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be
A 100% indirect reduction
B 100% direct reduction
C 50-60% indirect reduction
D 30-40% indirect reduction

Next steps