Quality Question Bank
for Exam preparation

Q2. An acceptance control chart has limits that are based on the specification limits for the product rather than limits which differentiate between random and assignable causes. Under which if the following circumstance should a QC manager consider using an acceptance control chart?

1. When the engineering tolerance on a dimension greatly exceeds the natural dispersion of the manufacturing process
2. When the number of samples outside the current control chart limits become too costly and cumbersome to investigate
3. When a process is subject to constant but stable tool wear
4. A and B
5. A and C

Q3. Consider that for a particular process, the p has shifted to .4 and the process has gone out of control. The corresponding value of beta is found to be .3356. The value of Average Run Length is:

1. 2.5
2. 1.5 ((1/1-beta) provides us with average run length)
3. 1.0
4. 2.7

Q4. The ______________ diagram starts with one item which then branches of into two or more items. This diagram is used to breakdown broad categories into finer levels of detail.

1. Affinity
2. Tree
3. Relations
4. Matrix

Q5. The 'Father' of statistical quality control is:

1. Joseph M. Juran
2. Philip Crosby
3. Walter Shewhart
4. F. W. Taylor

Q6. Which of the following is responsible for quality objective?

1. Top level management
2. Middle level management
3. Frontline management
4. All of the above

Q7. The cost of quality has been argued as being primarily driven by the workers. When items were produced that did not meet the customers' expectations, the workers were "found" to be at fault. Current thinking is that management has at least ______________ percent of the responsibility for the cost of quality.

1. 85
2. 75
3. 65
4. 55
5. 50

Q8. The thickness of aluminum sheet is specified to be of 6±2 mm. The Upper Specification Limit and Lower Specification Limit for the sheet are:

1. 4mm, 8mm
2. 8mm, 4mm
3. 6mm, 8mm
4. 4mm, 6mm

Q9. Processes that operate with "six sigma quality" over the short term are assumed to produce long-term defect levels below ______________ defects per million opportunities (DPMO).

1. 2
2. 2.4
3. 3
4. 3.4

Q10. The Japanese Quality Control (QC) Circle movement motivated its participants in many ways. Which of the following represents the most important motivation for the QC circle participant:

1. Improving the performance of the company
2. Self-Improvement
3. Financial Incentives
4. Recognition among co-workers
5. Strengthening of relationships between co-workers