Quality Question Bank
for Exam preparation

Quality- Q2. Which of the following is not true regarding when to select a p, c or u chart:

1. The process is a complex assembly operation and product quality is measured in terms of the occurrence of nonconformities, successful or unsuccessful product function, and so forth.
2. Process control is necessary, but measurement data cannot be obtained.
3. A historical summary of process performance is necessary.
4. Destructive testing (or such other expensive testing procedures) is required.

Quality- Q3. Machine wear and tear is ______________ source of variation.

1. Random
2. Natural
3. Assignable
4. Cannot be determined

Quality- Q4. One of the advantages of team work is:

1. It breaks down barriers between employees
2. customers and suppliers
3. It results in promotion
4. It results in salary increment
5. None of the given options

Quality- Q5. the job characteristic of quality professionals is:

1. None of the above
2. Educating others
3. Achieving personal targets
4. Consultative work with other departments

Quality- Q6. Suppose box A contains 4 red and 5 blue coins and box B contains 6 red and 3 blue coins. A coin is chosen at random from the box A and placed in box B. Finally, a coin is chosen at random from among those now in box B. What is the probability a blue coin was transferred from box A to box B given that the coin chosen from box B is red?

1. 15/29
2. 14/29
3. 1/2
4. 7/10

Quality- Q7. Measurement accuracy is attained when...

1. Different people get the same result when measuring the same item or characteristic.
2. The same person taking multiple measurements on the same item or characteristic gets the same results every time.
3. The measured value has little deviation from the actual value.
4. When the resolution of the measurement instrument can give at least 5 distinct values in the range being measured.

Quality- Q8. 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

Quality- Q9. Check Sheet is used during ______________ stage of DMAIC.

1. Define
2. Measure
3. Analyze
4. Improve

Quality- Q10. The ______________ sum of squares measures the variability of the observed values around their respective treatment means.

1. treatment
2. error
3. interaction
4. total