1) A control chart can helps us detect unacceptable variations.

A. True

B. False

2) SQC techniques are designed to check for conformance quality

A. True

B. False

3) A machine was not properly set-up/calibrated which caused a wide variation of quality of the products it produced. This type of vaariation is an example of...

A. assignable variation

B. common variation

C. regular variation

D. normal variation

4) Process A is used to produce product B. The higher the variation in the process A, the better the quality of product B.

A. True

B. False

5) The specification for a product XYZ is 10.00+-(plus and minus) 0.05 inch. The machine producing the product XYZ has a process mean of 9.96 inch and standard deviation of 0.02 inch. What is the process capability index of process XYZ?

6) Capability index of a process indicates how close the process is able to produce products to its specification.

A. True

B. False

7) If the value of process capability index of process A is 1.308 and the value of process capability index of process B is 2.105, then which process is more capable?

A. Process A

B. Process B

8) Company A produce cases (i.e., covers) for a particular model of a cell phone. At the end of production, the company randomly selects some cases and checks if each of those cases fits the cell phone or not. What types of quality measurement is company A using?

9) Typically, the lower control limit is set-- standard deviation(s) below the mean of the process in a control chart.

A. 1

B. 2

C. 3

D. 4

E. 6