Read Chapter 8 PPT and answer those questions:


1) Have you ever had foodborne illness? What do you think caused it?

2) Of the foodborne pathogens what is the most common and why?

3) What are the most contributing factors causing foodborne illness?

Read Chapter 10 PPT and answer those questions:


1) Why is air pollution a health threat? How is it measured?

2) Why is global warming so controversial? What is causing it?

3) What is acid deposition? How is it damaging?

Read Chapter 14 PPT and answer those questions:


1) What disaster is the most likely to occur in your life?

2) Why is disaster planning important?

3) What are the immediate actions necessary during a disaster?

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MENG 353-Industrial Materials

HW Assignment # 9

Explain the following items very briefly, using one or two lines.

1. Write three effects of corrosion.

2. Why corrosion occurs to metals? Briefly answer.

3. Why corrosion does not occur to non-metals? Briefly answer.

4. Write three essential elements for “electro-chemical” reaction.

5. What is “Redox Potential”? Briefly answer.

6. What is the basic difference between pitting and crevice corrosion? Briefly answer.

7. Write two factors on which galvanic corrosion depends.

8. What is dezincification? Briefly answer.

9. What is graphitization? Briefly answer.

10. What is erosion? Briefly answer.

11. Write three methodologies to protect corrosion.

12. Give one example of “cathodic protection” with sketch.

13. What is “anodic protection”? Briefly answer.

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