Free RCA Methodologies Questions and Answers

Question 1

Which is not one of the three basic types of causes for quality issues?

Accepted Answer

Natural Causes

Answer

In Root Cause Analysis (RCA) for quality issues, the three basic types of causes are typically categorized as Physical (e.g., equipment failure), Human (e.g., operator error), and Organizational/Latent (e.g., poor training, inadequate procedures). 'Natural Causes' are generally considered external factors or acts of nature, which, while they can trigger problems, are not usually classified as one of the *basic types of causes for quality issues* within a controllable system context in RCA.

Question 2

Which of the following is NOT a tool for Root Cause Analysis Identification?

Accepted Answer

Reframing Diagram

Answer

Fishbone Charts (Ishikawa diagrams) and Five Whys are well-known and widely used tools specifically for Root Cause Analysis identification. Matrix Diagrams are used for showing relationships between factors, which can support RCA. A 'Reframing Diagram' is not a standard, recognized tool for Root Cause Analysis identification.

Question 3

What is the other name of fishbone diagram?

Accepted Answer

Ishikawa Diagram

Answer

The Fishbone diagram is also famously known as the Ishikawa diagram, named after Kaoru Ishikawa, who developed it in the 1960s. It is a visual tool for categorizing the potential causes of a problem in order to identify its root causes. The diagram resembles a fish skeleton, with the 'head' being the problem and the 'bones' representing different categories of causes.

Question 4

How many types of root causes are there?

Accepted Answer

3 Types

Answer

In Root Cause Analysis, the three primary types of root causes are generally categorized as Physical (tangible failures of equipment or components), Human (errors made by people), and Organizational/Latent (systemic issues like poor processes, inadequate training, or management decisions). These three categories provide a comprehensive framework for investigating the origins of problems.

Question 5

When was Failure mode and effect analysis invented?

Accepted Answer

In 1940's

Answer

Failure Mode and Effects Analysis (FMEA) was developed by the U.S. military in the 1940s. It was initially used to identify and prevent potential failures in military systems. FMEA is a systematic, proactive method for identifying potential failure modes in a system, product, or process, and assessing their severity, occurrence, and detection.

RCA - Root Cause Analysis Practice Test

RCA - Root Cause Analysis Practice Test

Free RCA Methodologies Questions and Answers