Gun metal is an alloy of_________________________?
Correct answer: D. Copper, tin and zinc
- A. Nickel, tin and copper
- B. Manganese, phosphorus and nickel
- C. Copper, phosphorus and nickel
- D. Copper, tin and zinc
Explanation
Gun metal is a copper alloy containing mainly copper and tin, with zinc added to improve strength and castability. Nickel-containing compositions belong to different copper alloys, not ordinary gun metal.
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