Related Questions

The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to
A Grey cast iron
B White cast iron
C Mottled cast iron
D Toughed cast iron
Haematite is an ore of
A Copper
B Lead
C Iron
D Zinc
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

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