Quality Question Bank
for Exam preparation

Q2. A ______________ diagram shows the location of defects in any unit. This diagram is used in the analyse step of DMAIC.

1. Affinity
2. Relations
3. Defect Concentration
4. Scatter

Q3. Six Sigma can be defined as:

1. A summary statistic
2. A representation of variation
3. Permission to improve processes
4. All of the above

Q4. Which of the following statements about the cost of quality are true?

1. The costs of quality are mostly the direct responsibility of workers who are manufacturing the product
2. Quality control programs should only be implemented when the costs of quality is low
3. A and B
4. A and C
5. The cost of quality is the expense of nonconformance to requirements and specifications

Q5. Just-in-time (JIT) is the concept of reducing inventories to:

1. 25% of former stock
2. Less than half of former stock
3. 75% of peak stock
4. zero stock
5. 15% of the cost of the product for a planned stock

Q6. A structured tool, usually industry or activity specific, used to verify that a set of required steps has been performed is called:

1. Quality Policy
2. Check list
3. Trend analysis
4. Pareto diagram

Q7. While random variability in a system can be removed by ______________, non-random variability requires ______________.

1. Operator or management action, Improvement in the system
2. Improvement in the system, operator or management action
3. Statistical Quality Control, Quality Checks
4. None of the above

Q8. When is it appropriate to collect and use data?

1. Before the QI project, to prove a problem exists.
2. During the QI project, to answer questions about the cause and help prioritize the implementation of improvements.
3. After the implementation of the improvement to maintain the gain.
4. All of Above.

Q9. –––––––– are the charts that identify potential causes for particular quality problems.

1. Control Chart
2. Flow chart
3. Cause and Effect Diagram
4. Pareto chart

Q10. X bar should never be interpreted when:

1. R chart shows out of control points
2. X bar chart shows out of control points
3. The process mean is not known
4. None of the above