RCA RCA Tools and Techniques 3

Question 1

What is a 'cause-and-effect matrix' used for in RCA?

Accepted Answer

Prioritizing process inputs based on their impact on outputs

Answer

Scheduling corrective actions

Answer

Documenting employee performance

Answer

Mapping process flowcharts

Question 2

In the context of RCA, what is the primary limitation of the 5 Whys technique?

Accepted Answer

Different analysts may reach different root causes for the same problem

Answer

It takes too long to complete

Answer

It requires expensive software

Answer

It can only be used for manufacturing defects

Question 3

Which type of diagram maps the sequence of events and decisions in a process to identify where failures occur?

Accepted Answer

Process Flow Diagram

Answer

Pareto Chart

Answer

Scatter Diagram

Answer

Box Plot

Question 4

In RCA, what is a 'barrier analysis' primarily used to investigate?

Accepted Answer

Why safety controls or defenses failed to prevent an incident

Answer

The cost of implementing corrective actions

Answer

How to communicate findings to management

Answer

How to categorize causes by department

Question 5

What does 'Occurrence' measure in the FMEA RPN formula?

Accepted Answer

How often a failure mode is likely to occur

Answer

How bad the failure's impact is on the customer

Answer

How difficult it is to detect the failure

Answer

How many employees are affected by the failure

Question 6

Which RCA technique is particularly useful when causes are interrelated and cannot be explained by a single linear chain?

Accepted Answer

Causal Loop Diagram

Answer

5 Whys

Answer

Pareto Chart

Answer

Scatter Diagram