Manufacturing and Production Quality Control and Assurance

Question 1

What is the difference between quality control (QC) and quality assurance (QA)?

Accepted Answer

QA focuses on process prevention; QC focuses on product inspection

Answer

QC is proactive; QA is reactive

Answer

QC and QA are identical

Answer

QA is only for software

Question 2

What does SPC stand for in manufacturing quality?

Accepted Answer

Statistical Process Control

Answer

Standard Process Compliance

Answer

Supplier Performance Check

Answer

Sequential Production Cycle

Question 3

A control chart with points outside the upper or lower control limits indicates:

Accepted Answer

Special cause variation requiring investigation

Answer

Normal variation

Answer

A process in statistical control

Answer

Acceptable product quality

Question 4

What is Cpk used to measure?

Accepted Answer

Process capability relative to specification limits, accounting for centering

Answer

Cycle time

Answer

Cost per unit

Answer

Capacity utilization

Question 5

In quality management, what is a 'specification limit'?

Accepted Answer

The acceptable boundary defined by engineering or the customer

Answer

The natural range of process variation

Answer

The machine's maximum operating range

Answer

A statistical control boundary

Question 6

What is a Pareto chart used for in quality analysis?

Accepted Answer

Identifying the most significant defect categories by frequency or impact

Answer

Tracking production volumes over time

Answer

Mapping process flow

Answer

Monitoring machine temperature