(Total Marks: 20) 1. What is the definition of an engineering material? (1 mark) 2. What...
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(Total Marks: 20) 1. What is the definition of an engineering material? (1 mark) 2. What are the 4 ways atoms can bond together? (2 marks) 3. List 4 mechanical properties of an engineering material. (2 marks) 4. List 2 physical properties of an engineering material. (1 mark) 5. What is an alloy? (1 mark) 6. Give an example of a non-ferrous material. Describe its properties and some uses. (2 marks) 7. What are the 4 steps in the materials selection process? (2 marks) 8. What is the difference between a code and a standard? (1 mark) 9. List and briefly describe the two stages of crystallization. (2 marks) 10. What are the 3 basic types of metallic crystal structures? List one material from each type (3 marks) 11. What two factors determine grain size? (1 mark) 12. What 2 energies do metal atoms have in the liquid state? Define each. (2 marks) (Total Marks: 20) 1. What is the definition of an engineering material? (1 mark) 2. What are the 4 ways atoms can bond together? (2 marks) 3. List 4 mechanical properties of an engineering material. (2 marks) 4. List 2 physical properties of an engineering material. (1 mark) 5. What is an alloy? (1 mark) 6. Give an example of a non-ferrous material. Describe its properties and some uses. (2 marks) 7. What are the 4 steps in the materials selection process? (2 marks) 8. What is the difference between a code and a standard? (1 mark) 9. List and briefly describe the two stages of crystallization. (2 marks) 10. What are the 3 basic types of metallic crystal structures? List one material from each type (3 marks) 11. What two factors determine grain size? (1 mark) 12. What 2 energies do metal atoms have in the liquid state? Define each. (2 marks)
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