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Questions and Answers
What is the maximum tensile strength mentioned for aluminum alloys?
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?
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?
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?
What is the maximum percentage of beryllium allowed in beryllium copper alloys?
Which property of copper makes it suitable for use in heat exchangers?
Which property of copper makes it suitable for use in heat exchangers?
What happens to copper alloys when they are cold worked?
What happens to copper alloys when they are cold worked?
Which property of copper is NOT mentioned as a reason for its use?
Which property of copper is NOT mentioned as a reason for its use?
What is the name given to the copper-zinc alloys?
What is the name given to the copper-zinc alloys?
What is the minimum alloying content mentioned for copper alloys used in electrical wiring?
What is the minimum alloying content mentioned for copper alloys used in electrical wiring?
Which process is NOT mentioned for aluminum alloys?
Which process is NOT mentioned for aluminum alloys?
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