Assignment

Question 1

Summarize the three readings that are used for the wet bulb globe temperature (WBGT) evaluation of thermal stress in the workplace. Explain what each of the three measurements assesses about thermal stress, and discuss how the readings are evaluated using the two WBGT formulae.

Question 2

Provide a definition and a brief explanation of each of the following meters, and detail how each meter might be used to evaluate physical hazards in the workplace: dynamometer, accelerometer, and goniometer.

Question 3

Briefly describe the method you would use to evaluate the risk of a musculoskeletal disorder (MSD) at an operation where a worker on an assembly line uses a pneumatic screwdriver to repetitively insert a screw into a door panel. Discuss how your method can affect the accuracy and precision of your data.

Question 4

Describe the specific method you would use to evaluate a nurse's exposure to x-ray radiation while performing diagnostic tests at a clinic. Explain how your method works, why you would choose that method, and the benefits and weaknesses of that method, including how your method will affect the accuracy and precision of the data.