Engineering Materials
Admiralty gun metal contains

Alloy of tin, lead and cadmium
63 to 67% nickel and 30% copper
88% copper, 10% tin and rest zinc
Iron scrap and zinc

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Engineering Materials
Smelting is the process of

Reducing the ore with carbon in the presence of a flux
Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns
Removing the impurities like clay, sand etc. from the iron ore by washing with water
All of these

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