[2pts] Define lattice defects.

Which dividing line has the widest margin? Q5.12.png

What is the correct parameter to set the number of neighbors to 8 for KNeighborsRegressor()?

The margin of a support vector machine classifier is plot below. Which of the identified points are the support vectors? Q5.11.png

What is the correct parameter to set the number of neighbors to 5 for KNeighborsClassifier()?

[2pts] What is work hardening?[2pts] What causes it? 

[2pts] What is the value of Poisson’s ratio for purely/perfectly plastic deformation?

[4pts] In your own words, describe Schmid’s law.

List 3 material properties which are structure insensitive [3pts] and 3 material properties which are structure sensitive [3pts].

[5pts] Consider a tensile test performed on a single-crystal sample, with the tensile axis running vertically. The ends of the sample are constrained such that lateral displacement is not allowed. Explain what happens as plastic deformation progresses.