Statistical Quality Control Mock Test 5

10%

Question 1 of 10

1. A serious defect is defined as the defect which makes the unit totally unfit for use.

True

False

Question 1 of 10

Question 2 of 10

2. The minor finish, appearance, or quality of work defects are generally classified in _____ of the demerit system.

Class A

Class C

Class D

Class B

Question 2 of 10

Question 3 of 10

3. The defects which affect the proper working of the unit in the service arena, are called ____________

Appearance Defects

Specification Defects

Functional Defects

Aspect defects

Question 3 of 10

Question 4 of 10

4. What is the Upper control limit for the standardized control chart for u-chart with variable sample size?

1.5

Question 4 of 10

Question 5 of 10

5. In a demerit system for defects, how many classes are defined for defects to be classified?

Question 5 of 10

Question 6 of 10

6. Which of these does not require SPC implementation?

When customer demands both control and capability

When the process is estimated to reduce its capability in near future

When process is stable

When Specifications change without notice

Question 6 of 10

Question 7 of 10

7. When destructive testing is required, which type of control should be used?

u-charts

p-chart

c-chart

x And R charts

Question 7 of 10

Question 8 of 10

8. The efficiency of p-charts is __________ the efficiency of the x bar and R charts when p is closer to 0.5.

Less than

More than

Non-predictable

Equal to

Question 8 of 10

Question 9 of 10

9. The estimate of the C_p is calculated by ______________

\(\frac{USL-LSL}{3\hat{\sigma}}\)

\(\frac{USL-LSL}{6\hat{\sigma}}\)

\(\frac{USL-LSL}{12\hat{\sigma}}\)

\(\frac{USL-LSL}{\hat{\sigma}}\)

Question 9 of 10

Question 10 of 10

10. When we don’t have the mean, spread and the shape of probability distribution of one CTQ characteristic of a process, we can use ___________ for process capability analysis.

Acceptance sampling

Specifications on the quality characteristic

p-chart

Design of experiment

Question 10 of 10