Reference no: EM132228195

1. The core objective in six sigma is to reduce variation in processes.

True False

2. Under what circumstances would you use process capability analysis?

a. You want to improve a the performance of a process.

b. You need to find out what is causing poor quality.

c. You want to verify that the process is capable of consistently producing good outputs.

d. You don’t know what you are doing.

e. All of the above

3. Suppose that the design engineering team set the specifications for length of a stamped sheet-metal part at 10 inches (T) with acceptable tolerances of ±.05 inches (USL and LSL). The average length of the products produced by the actual stamping process is 9.995 inches (m) with a standard deviation of .005 inches (s). What is your Cp?

a. 3.33

b. 1.11

c. .888

d. 9.99

e. 10.00

4. If you perform a careful process capability analysis, you really don’t need to perform statistical process control.

True False

5. Which of the following are indicators that a process is out of control?

a. A single point is outside the control limits.

b. Two out of three successive points are on the same side of the centerline and farther than 2 σ from it.

c. A run of eight in a row are on the same side of the centerline.

d. Obvious consistent or persistent patterns that suggest something unusual about your data and your process.

e. Four out of five successive points are on the same side of the centerline and farther than 1 σ from it.

f. All of the above

6. Which of the following is not one of the steps in W. Edward Deming’s PDCA cycle?

a. Plan

b. Procrastinate

c. Do

d. Check

e. Calculate

f. Act

g. Both B & E

7. Which of the following tools would you use to identify the most-likely cause of a quality problem?

a. PDCA analysis

b. Ishikawa cause-and-effect diagram

c. A fishbone diagram

d. Ishikawa brainstorming session

e. Pareto chart

8. Quality must be defined by engineers. They are the only ones who know what it means to be fit for use.

True False

9. Which of the following is not a dimension of quality?

a. Performance

b. Features

c. Conformance

d. Reliability

e. Traceability

f. None of the above

10. Which of the following is one of the principles of total quality management promoted by ISO 9001?

a. Customer focused

b. Process approach

c. Continuous improvement

d. Fact-based decision-making

e. All of the above

f. A, B, & C only