CPT Quality Assurance & Process Optimization 2

Question 1

Which tool is used to identify which defects occur most frequently by ranking causes from highest to lowest frequency?

Accepted Answer

Pareto chart

Answer

A Pareto chart ranks defect causes by frequency, helping teams focus on the vital few problems that cause most issues.

Question 2

A process technician notices that consecutive data points on a control chart are all trending upward. This pattern is called a:

Accepted Answer

Run

Answer

A run is a sequence of consecutive points on the same side of or trending in one direction on a control chart, signaling a non-random pattern.

Question 3

PDCA stands for Plan, Do, Check, Act. Which phase involves comparing actual results against expected outcomes?

Accepted Answer

Check

Answer

The Check phase of PDCA compares measured results to the original goals to evaluate whether the change achieved the desired effect.

Question 4

Which type of process variation is inherent to the system and cannot be eliminated without changing the process itself?

Accepted Answer

Common cause variation

Answer

Common cause variation is natural, random variation built into the process design and requires systemic changes to reduce.

Question 5

A Cp value of 1.33 indicates that a process:

Accepted Answer

Has adequate capability with margin

Answer

A Cp of 1.33 means the process spread fits within specification limits with a comfortable margin, indicating good capability.

(CPT) Certified Process Technician Practice Test