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Manufacturing Processes: Nonferrous Metals Alloys

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Manufacturing Processes: Nonferrous Metals Alloys

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Questions and Answers

What is the maximum tensile strength mentioned for aluminum alloys?

Double the initial tensile strength

200 MPa

1380 MPa

690 MPa (correct)

What is the primary purpose of aluminum alloys according to the text?

For use in induction furnaces

For use in indirect arc applications

For use in electrical resistance applications

For use in a wide range of manufacturing processes (correct)

Which statement about copper alloys is true according to the text?

Copper alloys cannot be used for electrical wiring due to their high resistance

The tensile strength of copper alloys is always less than 200 MPa

The tensile strength of copper alloys varies from around 200 MPa to 1380 MPa (correct)

There are only a few copper alloys available

What is the maximum percentage of beryllium allowed in beryllium copper alloys?

2% Signup and view all the answers

Which property of copper makes it suitable for use in heat exchangers?

Corrosion resistance Signup and view all the answers

What happens to copper alloys when they are cold worked?

They become harder and more brittle Signup and view all the answers

Which property of copper is NOT mentioned as a reason for its use?

High tensile strength Signup and view all the answers

What is the name given to the copper-zinc alloys?

Brasses Signup and view all the answers

What is the minimum alloying content mentioned for copper alloys used in electrical wiring?

5% Signup and view all the answers

Which process is NOT mentioned for aluminum alloys?

Casting Signup and view all the answers