6. Systems Integration
Safety — Quiz
Test your understanding of safety with 5 practice questions.
Practice Questions
Question 1
Which step is NOT part of a formal risk assessment process?
Question 2
In a Layer of Protection Analysis (LOPA), an initiating event occurs at a frequency of 5 per year and two independent protection layers have probabilities of failure on demand (PFD) of 0.1 and 0.2 respectively. What is the residual event frequency after applying both layers?
Question 3
Which example best illustrates a latent failure in a socio-technical system?
Question 4
Which metric is most appropriate as a resilience performance indicator to measure system recovery capability after a disruption?
Question 5
Which human reliability analysis method focuses on the underlying cognitive processes and organizational factors without assigning numerical error probabilities?