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Exam 2 Answers - MSE 200-002 Midterm Exam 2 Instructor...

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MSE 200-002 Midterm Exam 2 Spring 2007 ID Number: Instructor: Alexei Gruverman No notes, books, or information stored in calculator memories may be used. Cheating will be punished severely. All of your work must be written on these pages and turned in. Constants, equations, and other data are given on the last page of the exam. 1. Necking in the stress-strain testing refers to a. fracture without any deformation b. transition from elastic to plastic deformation c. large reduction in cross-section in a localized region d. none of the above (c) 2. In a ductile metal, necking typically begins to appear when: (c) 3. Hooke’s Law ( σ = E ε ) applies to: (b) 4. Hardness is a measure of ( b ) 1
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