Blackboard Quiz

Blackboard Quiz - Test Canvas Quiz 1 11:15 AM Physical...

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11/15/11 11:15 AM Test Canvas: Quiz 1 Page 1 of 3 https://blackboard.cornell.edu/webapps/assessment/do/authoring/modifyAssessment Physical Metallurgy and Applications Tests, Surveys, and Pools Tests Test Canvas : Quiz 1 Edit Mode is: ON Points Update Hide Question Details Select: All None Select by Type: - Question Type - Test Canvas: Quiz 1 Description Instructions This quiz is open book and open notes. So please read the lecture notes and corresponding chapters in the text book if you do not know the answer to a question. Total Questions 8 Total Points 110 A. The stable phase at a given temperature and pressure is the phase that minimized the Gibbs free energy. B. The primary enthalpic contribution to the Gibbs free energy in alloys is typically the enthalpy of mixing (bond formation). C. The primary entropic contribution to the the Gibbs free energy in alloys is typically the statistical mixing of atoms. D. All of the above. E. A and C. F. A and B. 1. Multiple Choice: Which of the following statements. .. Question Which of the following statements are true? Answer A. A grain boundary has 3 degrees of freedom: two grain rotation axes and one grain boundary rotation axis. B. Since every grain boundary can be thought of as an array of dislocations and since each dislocation has a stress field that drops off as 1/r, where r is the distance from the dislocation, the stress field of grain boundaries can be significant, even far from the boundary. C.
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This note was uploaded on 12/05/2011 for the course MSE 4100 taught by Professor Hennig during the Fall '11 term at Cornell.

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Blackboard Quiz - Test Canvas Quiz 1 11:15 AM Physical...

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