RCA RCA Tools and Techniques 2

Question 1

In a Control Chart, what do points falling outside the control limits indicate?

Accepted Answer

A special cause of variation that requires investigation

Answer

Normal process variation

Answer

Data entry errors only

Answer

Successful process improvement

Question 2

Which RCA technique involves breaking a problem into smaller components using a top-down tree structure?

Accepted Answer

Fault Tree Analysis

Answer

5 Whys

Answer

Affinity Diagram

Answer

Swimlane Diagram

Question 3

What is the main advantage of using the Fishbone Diagram over the 5 Whys technique?

Accepted Answer

It organizes multiple categories of causes simultaneously

Answer

It is faster to complete

Answer

It requires no team input

Answer

It automatically identifies the root cause

Question 4

In FMEA, what does 'RPN' stand for?

Accepted Answer

Risk Priority Number

Answer

Root Problem Number

Answer

Repeat Process Notation

Answer

Residual Problem Note

Question 5

Which RCA tool is most appropriate when causes fall into natural groupings or themes?

Accepted Answer

Affinity Diagram

Answer

Control Chart

Answer

Scatter Plot

Answer

Fault Tree Analysis

Question 6

What does 'Detection' measure in the FMEA RPN calculation?

Accepted Answer

The ability of current controls to detect the failure before it reaches the customer

Answer

How severe the impact of a failure is

Answer

The likelihood that the failure will occur

Answer

The time needed to correct the failure