Fault Analysis Recap

What is the purpose of a Fault Tree?

• To be a simple method of identifying failures.

• To provide a confusing way of identifying things that can go wrong.

• To list all the possible causes for a fault.

• To be annoying and irrelevant to the fault finding process.

What question should be asked to identify the root causes?

• Where?

• Why?

• Who?

• Which?

Where can Fault Tree Analysis be applied?

• On a system you use at home.

• On a system you use at work.

• On a system that applies to policies.

• On any of the previously listed.

What does an Event Tree do?

• List the effects or consequences of a system failure.

• List the effects or consequences of taking your cat to the vet.

• Listing the effects of consequences of eating a really hot curry.

• Listing the effects and consequences of your life choices.

On which side of a Bow Tie Diagram will you find the elements of a Fault Tree?

• Top

• Bottom

• Right

• Left

How many times should you iterate through the "Five Whys"?

• Once

• Only Five

• Until you get bored

• As many times as needed

On a Bow Tie Diagram, what is shown between the causes and the incident?

• Menu Items

• Mitigations

• Control Points

• Decision Trees

What metric is used to determine the order in which risks need to be addressed?

• Risk Priority Number

• Risk Priority Name

• Risk Point Node

• Range Place Naught

What determines the scale of a Failure Mode and Event Analysis?

• The International Standards Organisation

• The Institute for Electrical and Electronic Engieers

• The Designer of the Analysis

• Your colleague, Bert

On which side of a Bow Tie Diagram would you find the equivalent of an Event Tree?

• Left

• Right

• Top

• Bottom