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SAFETY ENGINEERING
Question 1
Personal protective equipment (PPE) is one method used to reduce risks associated with workplace hazards. 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.
Question 2
Respiratory protection is a common form of PPE used in the United States. Compare and contrast the different categories of respirators. Discuss the different situations when respirators would be required. Include a discussion of the limitations of each type of respirator.
Make a sketch (not to scale) of the deformed shape of a beam subject to a positive bending moment Mx. Make sure your drawing shows the thickness of the beam; i.e., do not idealize the beam by a line.
From Girard's theorem for a triangle, deduce Girard's theorem for the completment of the triangle.
What is the highest possible final grade in nighttime conditions? (Note: Be careful of units of A, and ignore the cross-sectional width of the overpass.)
Describe how to calculate following regional descriptors and give an example what objects could be well described by these descriptors (like average R,G,B values could be used to separate tomatoes from cucumbers in true color images): standard dev..
I. Design a silicon semiconductor resistor. with resistance between 6-10 kn. in the shape of a recungular bar. Assume this resistor will be used in an integrated circuit and therefore a small size is necessary as well as operation.
Identify the key economic characteristics of the French wireless/telecom segment (U.S. SIC code 4813, UK SIC 6110) of the communications services industry.
Formulate a decision analysis problem by constructing the payoff table - how many packs of cookies you should buy in the morning? Show how you reach to your solution.
Define the data and control context diagrams of the alarm control firmware and define data flow diagram DFD 0 which shows at least four different processes, and its corresponding control flow diagram CFD 0.
Design a silicon semiconductor resistor, with resistance between 6-10 kΩ, in the shape of a rectangular bar. Assume this resistor will be used in an integrated circuit and therefore a small size is necessary as well as operation in at least the 25..
Three air flows all at 200 kPa are connected to the same exit duct and mix without external heat transfer. Flow one has 1 kg/s at 400 K, flow two has 3 kg/s at 290 K and flow three has 2 kg/s at 700 K. Neglect kinetic energies and find the volume ..
Determine the upstream and downstream depths in the model. What are the upstream Froude numbers in the model and the prototype?
How does the receptor get activated? What happens next once this receptor is activated (i.e. downstream signaling)? What is the overall response from this receptor being activated?
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