1. Personal protective equipment (PPE) is one method used to reduce risks associated with workplace hazards. In at least 200 words, discuss the hierarchy of controls established by OSHA for workplace controls. When would it be appropriate to use PPE? List at least two positive and two negative aspects of PPE. Please cite sources

2. The four theories that are used to explain human behavior as it relates to safety are Theory X, Theory Y, Theory Z, and Maslow's Hierarchy of Needs. In at least 200 words, compare and contrast the four theories. Which theory do you believe best predicts a worker's behavior related to safety? Please cite sources.

3. In at least 100 words, what dimensions would you use for a booth-type hood if you wanted an exhaust rate of 1,000 cubic feet per minute and a capture rate of 100 feet per minute to capture organic vapors from a paint spray operation? Be sure to show your work. If you wanted to clean the air that you are capturing before exhausting it outside, what type of air cleaning device would you recommend and why?

4. In at least 100 words, compare and contrast the different types of barriers that might be used to protect openings in a floor at a production facility. What factors should an engineer take into account when designing one of these barriers? In your opinion, which type barrier would be most appropriate for an opening between all four floors of a facility that is designed to move material between floors using a crane located on the top floor?

5. In at least 100 words, what dimensions would you use for a booth-type hood if you wanted an exhaust rate of 1,000 cubic feet per minute and a capture rate of 100 feet per minute to capture organic vapors from a paint spray operation? Be sure to show your work. If you wanted to clean the air that you are capturing before exhausting it outside, what type of air cleaning device would you recommend and why?

6. In 200 words or more, summarize the different fire suppression systems. Which of the fire suppression systems listed in the textbook do you believe should be required to be installed in new buildings?