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WorksheetsFERROUS METALS
Total questions: 15
Worksheet time: 7mins
Percentage of carbon in steels used for rails&tyres
Up to 0.1%
Up to 0.45%
Up to 0.3%
Up to 0.05%
Composition of Delta Metal
3%iron,37%zn,60%cu
37%iron,3%zn,60%cu
37%cu,3%fe,60%Mn
3%Mn,37%fe,60%Zn
It increases the fluidity of Cast iron
(a)
Crude impure form of iron
Cast iron
Pig iron
Wrought iron
Steel
Types of pig iron used for heavy foundary castings
Mottled pig
Grey pig
Forge pig
White pig
Sp gravity of Cast iron
5
2.5
7.5
6
Open hearth furnace is also known as
(a)
Melting point of mild steel in degree Celsius
1400
1250
1600
1700
In LD process at the time of burning which element is used instead of air
Nitrogen
Carbon dioxide
Oxygen
Silphur
Which one is the process in which addition of carbon takes place
Cementation process
Crucible steel process
Electric process
LD
Both a&b
TMT means
(a)
HQ of SAIL
Mumbai
Chennai
Delhi
Kolkata
Pig iron is produced from
Haematite ore
Bessemer pig
Pyrite
Siderate
Burning zone of blast furnace
Throat
Inwall
Cylinder
Bosh
Carbonate of iron
Siderate
Pyrite
Spathic iron
Both a&c
