Explore topic-wise MCQs in Statistical Quality Control.

This section includes 21 Mcqs, each offering curated multiple-choice questions to sharpen your Statistical Quality Control knowledge and support exam preparation. Choose a topic below to get started.

1.

p-charts can be used rather than using the x & R charts, in the case of variable time spans of data collection.

A. True
B. False
Answer» C.
2.

If Cpu=1.82 for strength quality characteristic for a new process, can we use the process?

A. Process is capable
B. Process is not capable
C. Process is capable but will improve in sooner time
D. Process is not capable but will improve in sooner time
Answer» B. Process is not capable
3.

If the Cpl of a safety-related parameter, is 0.69, what can we say about the process capability?

A. Process is capable
B. Process is not capable
C. Process is capable but will become not-capable in sooner time
D. Process is not-capable but will become capable in sooner time
Answer» C. Process is capable but will become not-capable in sooner time
4.

Which control charts will be useful if the process output data for the process capability study are collected in different time periods?

A. x & R Charts
B. p-charts
C. c-charts
D. u-charts
Answer» B. p-charts
5.

Which one of these is similar to the long-term variability?

A. Instantaneous variability
B. Variability across time
C. Large variability
D. Large distance variability
Answer» C. Large variability
6.

Which one of these charts doesn’t need the specification of the quality characteristic?

A. x & R Charts
B. p-charts
C. c-charts
D. u-charts
Answer» B. p-charts
7.

WHICH_ONE_OF_THESE_IS_SIMILAR_TO_THE_LONG-TERM_VARIABILITY??$

A. Instantaneous variability
B. Variability across time
C. Large variability
D. Large distance variability
Answer» C. Large variability
8.

If the Cpl of a safety-related parameter, is 0.69, what can we say about the process capability?$

A. Process is capable
B. Process is not capable
C. Process is capable but will become not-capable in sooner time
D. Process is not-capable but will become capable in sooner time
Answer» C. Process is capable but will become not-capable in sooner time
9.

Which control charts will be useful if the process output data for the process capability study are collected in different time periods?$

A. <span style="text-decoration:overline;">x</span> & R Charts
B. p-charts
C. c-charts
D. u-charts
Answer» B. p-charts
10.

Histograms explain the process statistical control better than the control charts.

A. True
B. False
Answer» C.
11.

p-charts can be used rather than using the x & R charts, in the case of variable time spans of data collection.

A. True
B. False
Answer» C.
12.

If Cpu=1.82 for strength quality characteristic for a new process, can we use the process?

A. Process is capable
B. Process is not capable
C. Process is capable but will improve in sooner time
D. Process is not capable but will improve in sooner time
Answer» B. Process is not capable
13.

Which one of these can be used as the monitoring device to show the effect of changes in the process on process performance?

A. Control charts
B. Designed experiments
C. Histogram
D. Probability plots
Answer» B. Designed experiments
14.

What is the second name of instantaneous variability?

A. Long term variability
B. Short term variability
C. Long distance variability
D. Variability across time
Answer» C. Long distance variability
15.

Which one of these helps us to find both instantaneous and the variability across time variability?

A. p-charts
B. np-charts
C. <span style="text-decoration:overline;">x</span> & R Charts
D. c-charts
Answer» D. c-charts
16.

Which one of these charts doesn’t need the specification of the quality characteristic?$

A. <span style="text-decoration:overline;">x</span> & R Charts
B. p-charts
C. c-charts
D. u-charts
Answer» B. p-charts
17.

Which chart should be used, if possible?

A. <span style="text-decoration:overline;">x</span> & R Charts
B. u Charts
C. p Charts
D. c Charts
Answer» B. u Charts
18.

Which one of these is primary technique of the process capability analysis?

A. Histogram
B. Process capability ratios
C. Probability plots
D. Control charts
Answer» E.
19.

Which one these show that, if the systematic pattern in process output is eliminated, it would produce a lesser variability in the quality characteristic?

A. Probability plots
B. Control Charts
C. Histogram
D. PCRs
Answer» C. Histogram
20.

Which one of these addresses the issue of statistical control?

A. Design of process experiments
B. Probability plots
C. Control charts
D. Histogram
Answer» D. Histogram
21.

Which one of these tells explicitly about the potential capability of the process?

A. Histogram
B. Probability plots
C. PCRs
D. Control charts
Answer» E.