Question: 1) [5 marks] What is hardness? For a specific material, what does its macroscopic hardness depend on? 2) [5 marks] Briefly describe the general principle

1) [5 marks] What is hardness? For a specific material, what

1) [5 marks] What is hardness? For a specific material, what does its macroscopic hardness depend on? 2) [5 marks] Briefly describe the general principle of hardness tests. 3) [3 marks] Name 3 hardness testing techniques. 4) [2 marks] Which of the above methods is most often used in automated production lines? 5) [4 marks] What type of indenter is used for each test? Brinell Test: Rockwell Test: 6) [6 marks] Describe the 3 stages of force application in Rockwell test

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