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RCA Tools and Techniques Flashcards

6 cards from real RCA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. What does the '5 Whys' technique involve in Root Cause Analysis?

    Answer: Asking 'why' repeatedly until the root cause is identified

    The 5 Whys technique iteratively asks 'why' a problem occurred, typically five times, to drill down to the underlying root cause.

  2. Which RCA tool uses a diagram shaped like a fish skeleton to organize causes?

    Answer: Fishbone (Ishikawa) Diagram

    The Fishbone (Ishikawa) diagram visually arranges potential causes into categories branching off a central spine, resembling a fish skeleton.

  3. What is a Fault Tree Analysis (FTA) primarily used for in RCA?

    Answer: Mapping logical relationships between failures and their causes

    FTA uses a top-down, deductive logic tree to map the relationships between a top-level failure event and its contributing causes.

  4. In RCA, what does a Pareto Chart help analysts identify?

    Answer: The most frequently occurring causes using the 80/20 rule

    A Pareto Chart ranks causes by frequency or impact, highlighting the vital few causes (roughly 20%) responsible for most problems (roughly 80%).

  5. Which tool in RCA is best suited for identifying correlations between two variables?

    Answer: Scatter Diagram

    A Scatter Diagram plots two variables on x and y axes to visually reveal whether a correlation or relationship exists between them.

  6. What is the primary purpose of Failure Mode and Effects Analysis (FMEA) in RCA?

    Answer: To proactively identify potential failure modes and their effects before they happen

    FMEA is a proactive technique used to identify and prioritize potential failure modes in a process or system before they occur.

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