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Gun-metal contains around ___________ % of zinc.

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Gun-metal contains around ___________ % of zinc.

(a) 0.9

(b) 4-14

(c) 6-9

(d) 1-3

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The question is from Properties of Copper and its Alloys-2 topic in section Copper and its Alloys of Aerospace Materials & Processes

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The correct choice is (d) 1-3

The best explanation: Gun-metal is an alloy that is made/consists of several components in varying quantities. Gun-metal contains around 1 to 3 per-cent of zinc. It also contains approximately 9 to 11 per-cent of tin.

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