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TeachMeFinance.com - explain Top event Top event The term 'Top event' as it applies to the area of nuclear science can be defined as ' The events across the top of the event tree, which graphically represent the systems needed to keep the plant in a safe state following an initiating event (i.e., a challenge to plant operation). A top event is the starting point of the fault tree, which identifies all of the pathways that lead to a system failure. For additional information, see Probabilistic Risk Assessment. '. About the author
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