Introduction to engineering and managing risks

8 important questions on Introduction to engineering and managing risks

What are the possible pathways and solutions to reduce risk?

Reducing risk means to act on:

1. Severity (G)
- Reduce hazard (D)
- Increase protection measures (Pro)
2.Frequency (F)
- Reduce exposure time (T)
- Reduce number of exposed targets (N)
- Increase prevention measures (Pre)

What three factors do risks need to exist?

1. Hazards
2. Losses
3. Exposure

What is risk mapping?


Providing people with the information on the range of possible
losses/damage and the accident prevention activities
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What are situational factors that can modify preferred risk attitude?

1. Level of relevant skills, knowledge or expertise: HIGH -> risk-seeking
2. Perception of likelihood (probability of occurence): HIGH -> risk-averse
3. Perception of (negative) impact magnitude: HIGH -> risk-averse
4. Degree of perceived control/choice: HIGH -> risk-seeking
5. Closeness of risk in rime: HIGH -> risk-averse
6. Potential for negative consequences: HIGH -> risk-averse

What is the spectrum of risk-attitude?

- Risk paranoid
- Risk averse
- Risk tolerant
- Risk seeking
- Risk addicted

Why is the way people perceive reality important to ERM?

- Increasing accuracy of perception leads to better ability to understand
- Better ability to interpret, and effectively and efficiently deal with risk

What is a hazard map?

- Highlights areas that are affected by or vulnerable to a particular hazard.
- Purpose is to provide people with information on range of possible damage and accident prevention activities
- Comes in two types: resident education & administrative information

What is a quantitative risk assesment (QRA)?


- Formalised specialist method used for calculating numerical individual and societal (employee and public) risk level values for comparing risks with eachother or regulatory criteria

- To do a quantitative risk analysis, the

value of the potential losses needs to be determined. Then the
probability of the occurrence of the risk failure needs to be
estimated. Finally, the (annual) loss expectancy is calculated.

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