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1 3.1 What is the difference between risk analysis and risk assessment?

2 3.2 What are the main steps in the risk assessment process and what are the main objectives/activities in each step?

3 3.3 Consider a railway line running between two cities, with crossings, stations, signals, and so on. Assume that you are going to do a risk assessment with the objective to determine the risk to people. How would you define and delimit the study object?

4 3.4 For the railway line in the previous problem, give some examples of generic events, specific events, and representative events.

5 3.5 For the same railway line, identify possible causes of the generic event “derailing” and see if these causes are applicable to all events if you define a set of representative events for “derailing.”

6 3.6 Assume that you have performed a risk assessment for a shipping company operating several large passenger ferries. You are going to present the results to three groups: The shipping company management, the safety department of the shipping company and to passengers. What would be different in the way that you present the results for the three groups?

7 3.7 A requirement for scientific work is that what we have done can be reproducible, which means that when using the same input and the same models, we should arrive at the same results. Will a risk assessment meet this requirement?