Second phase particles impede dislocation mobility in two ways – [4pts]  what are they? [1pt] Which of them is more dominant as particles get larger?

Assume we have a plaintext of 1000 characters. How many keys are needed to encrypt or decrypt a message using a monoalphabetic cipher?

In class, we covered 3 types of boundaries between phases. List [3pts] and describe them [3pts] (~1 sentence for each).

Briefly (no more than 1-2 sentences) describe crystallographic texture.

Describe a Coincident Site Lattice (CSL)

The NPV of an investment made today is $10,000. If postponed for one year, the NPV at that time will increase by $1,000. Which of the following is correct if the opportunity cost of the investment is 12 percent?

Established in 1824, the Bureau of Indian Affairs (BIA):

After the Civil War, Civil Rights legislation emphasized essentialist white-black race dichotomy, while focusing on the “alien” (rather than “racial”) status of Chinese immigrants. Which Act of Congress prohibited the immigration of Chinese laborers to the U.S. for 10 years?

If presented with a tensile stress-strain curve, how would you determine the presence of the Portevin – Le Chatelier effect in the material?

[2pts] What is recrystallization? [4pts] List 4 factors which can affect it