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Copper Alloys - α-Brasses and Gilding Metal Quiz

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Copper Alloys - α-Brasses and Gilding Metal Quiz

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Questions and Answers

What is the main benefit of using muntz metal compared to copper?

It is more durable and corrosion-resistant
It is more affordable (correct)
It is lighter and easier to work with
It has higher thermal conductivity

What is the typical composition of naval brass?

70% copper, 30% zinc
1-3% lead
1% tin (correct)
60% copper, 40% zinc

What is the primary use of muntz metal in the shipping industry?

Boat propellers
Boat anchors
Boat engine parts
Boat lining and wrapping (correct)

How does the addition of lead to brass alloys affect their properties?

It decreases ductility and impact strength (D) Signup and view all the answers

What is the primary application of leaded brass?

Improved machinability (A) Signup and view all the answers

What is the typical composition of gilding metal?

95% copper, 5% zinc (A) Signup and view all the answers

What is the typical composition of cartridge brass?

65% copper, 35% zinc (C) Signup and view all the answers

What is the primary application of admiralty brass?

Marine hardware (C) Signup and view all the answers

What is the main reason builders use muntz metal instead of copper?

It is more affordable (D) Signup and view all the answers

What is the primary advantage of using muntz metal in building projects?

Its high strength and durability (C) Signup and view all the answers