Quality Question Bank
for Exam preparation

Q2. 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

Q3. The pillars of quality is (are)

1. B and C
2. Quality is free
3. Doing it right the first time
4. Zero defects
5. Process improvement

Q4. 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

Q5. Quality control includes inspections to ensure the standards of performance are being met. Inspection includes ______________ examinations of ______________.

1. visual and technical; material and end products
2. aural and tactile; materials and end products
3. aural and tactile; processes and procedures
4. visual and non-visual; processes and components
5. visual and aural; processes and materials

Q6. Deming's 4 step cycle for improvement is______________

1. plan, do, check, act
2. schedule, do, act, check
3. do, act, check, monitor
4. plan, control, act, sustain

Q7. Factory A produces 100 pieces of wooden legs used in manufacturing tables in 1 hour. The factory in total works for 3 hours. The quality manager decided to check the quality of the output by measuring the length of the legs (in cms). He decides to collect three samples (one for each hour). The sample size for each sample is fixed at 5. The data collected is present in the following table: Leg 1 Leg 2 Leg 3 Leg 4 Leg 5 Sample 1 10.2 10.5 9.8 9.7 10.3 Sample 2 10.4 9.9 10.1 10.2 9.8 Sample 3 9.9 9.8 10.2 10.1 10.4 What is the mean and range of leg length in sample 1?

1. Mean=10.3;Range=.3
2. Mean=10.1;Range=.8
3. Mean=10.2;Range=.6
4. Mean=9.9;Range=.5

Q8. A Belt utilized a diamond symbol in a Process Map she created for the process that was subject to her LSS project. By use of the diamond symbol she was showing a(n) _______________ point in the process

1. Ending
2. Beginning
3. Decision
4. Repair station

Q9. Which of the following is not a type of attribute chart?

1. P chart
2. C chart
3. U char
4. X bar chart

Q10. For a given sample size (n) and number of defects acceptable ©, the Average Total Inspection (of units) should ______________ with increase in N (lot size).

1. Increase
2. Decrease
3. Remain Constant
4. None of the above