Quality Question Bank
for Exam preparation

Q2. Attribute charts may be used when:

1. Several characteristics can be jointly measured
2. When one particular quality characteristic is of importance
3. Specific information like process mean is required
4. None of the above

Q3. In phase 1 of control chart usage, if a point is outside the control limits and some assignable cause is found for the point, then we should:

1. Discard the point but do not recalculate control limits
2. Discard the point and recalculate the control limit
3. Do not discard the point
4. Cannot be determined

Q4. Financial compensation is the primary motivational tool for which of the following management theories or programs?

1. Zero Defects program
2. Theory X management
3. Theory Y management
4. Quality Control Circles
5. A and C

Q5. When data is plotted on the control charts, the data is of two types: R and -bar. The R data represent points of a ______________ while the X-bar data represent points of a(n) ______________.

1. real sample; simulated sample
2. 100 percent sampling; 10 percent sampling
3. sampling run; average of several runs
4. random sampling; continuous sampling
5. random sample; cross-matrix sample

Q6. Which of the following is NOT true about the standard error of a statistic?

1. The standard error measures, roughly, the average difference between the statistic and the population parameter.
2. The standard error is the estimated standard deviation of the sampling distribution for the statistic.
3. The standard error can never be a negative number.
4. The standard error increases as the sample size(s) increases.

Q7. Quality control methods extend beyond the external characteristics of the product or components of the product. The types of testing of the product or components include ______________.

1. operator, maintainer, and environmental
2. stress, destructive, and operating
3. in-house, public, and private
4. laboratory, destructive, and non-destructive
5. laboratory, fabrication, and product

Q8. Check the following statements for being applicable to JIT production systems

1. JIT approaches can be contrasted with conventional approaches which advocate a pull approach.
2. The flow of goods is controlled by a push approach.
3. Marketing is scheduled just in time to generate customer orders.
4. Raw materials are received just in time to go into production.

Q9. 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

Q10. You are sampling items from a batch and plotting the results on a control chart. how will an increase in the number of items sample affect the value of the standard deviation used to set the control limit?

1. increase it
2. decrease it
3. no effect on it
4. first increase it, then decrease it
5. first decrease it, then increase it