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What is the density of copper alloys?

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in Casting-Forming-Welding II by (119k points)
What is the density of copper alloys?

(a) 6.67 g/cc

(b) 7.87 g/cc

(c) 8.93 g/cc

(d) 5.77 g/cc

This question was addressed to me during a job interview.

The origin of the question is Copper Alloys topic in chapter Foundry Introduction & Materials of Casting-Forming-Welding II

1 Answer

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Best answer
The correct choice is (c) 8.93 g/cc

Best explanation: A steel is a mixture of iron and carbon and copper alloys are mixtures of mainly copper and a few other materials like zinc and nickel with it. The main copper alloys can be brass and bronze. The density of copper alloys in general is found to be 8.93 g/cc.

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