Related Questions

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
Bessemer process is used for the manufacture of
A Pig iron
B Cast iron
C Wrought iron
D Steel
Limestone is added in the blast furnace (during pig iron manufacture) to
A Form slag by combining with impurities
B Supply heat by undergoing exothermic reaction with impurities
C Reduce the coke consumption
D Reduce slag viscosity
The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called
A Cementation process
B Crucible process
C Bessemer process
D Open hearth process
In basic Bessemer process, the furnace is lined with
A Silica bricks
B A mixture of tar and burnt dolomite bricks
C Both (A) and (B)
D None of these
In the acid Bessemer process, the hot metal should have the following com-positon.
A [

A. S

B. S

B S 1.5%
C S > 1.5% and P
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
__________ 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

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