GAT Quality Assurance and Improvement 2

Question 1

A team discovers that 80% of defects come from 20% of process steps. Which quality tool best illustrates this finding?

Accepted Answer

Pareto chart

Answer

Control chart

Answer

Scatter diagram

Answer

Histogram

Question 2

Which of the following best describes 'process capability'?

Accepted Answer

The ability of a process to meet specified tolerances consistently

Answer

The maximum output a process can produce per hour

Answer

The number of employees trained on a process

Answer

The cost required to run a process continuously

Question 3

A quality inspector uses random sampling to test products without destroying them. What sampling approach is this?

Accepted Answer

Acceptance sampling

Answer

100% inspection

Answer

Process audit

Answer

Corrective sampling

Question 4

Which quality philosophy emphasizes that quality should be built into the product rather than inspected in?

Accepted Answer

W. Edwards Deming

Answer

Philip Crosby

Answer

Walter Shewhart

Answer

Joseph Juran

Question 5

What does a fishbone (Ishikawa) diagram primarily help teams identify?

Accepted Answer

Potential root causes of a quality problem

Answer

The frequency of defects over time

Answer

The relationship between two quality variables

Answer

The control limits for a process

Question 6

A manufacturer sets upper and lower specification limits at ±3 standard deviations from the mean. Approximately what percentage of output falls within these limits?

Accepted Answer

99.7%

Answer

68%

Answer

95%

Answer

100%

Question 7

A control chart shows several consecutive data points trending steadily upward, all within control limits. What does this indicate?

Accepted Answer

A non-random pattern suggesting a special cause

Answer

The process is in statistical control

Answer

Normal random variation

Answer

The process capability is high