Explore topic-wise MCQs in Statistical Quality Control.

This section includes 14 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.

THE_EFFICIENCY_OF_P-CHARTS_IS_______THE_EFFICIENCY_OF_THE_X_BAR_AND_R_CHARTS_WHEN_P_IS_CLOSER_TO_0.5.?$

A. Equal to
B. More than
C. Less than
D. Non-predictable
Answer» C. Less than
2.

When a change in product specification is desired, which of these control charts should be used?$

A. p-charts
B. <span style="text-decoration:overline;">x</span> And R charts
C. c-charts
D. u-charts
Answer» C. c-charts
3.

Which_of_these_is_most_economical_in_long_term?$

A. <span style="text-decoration:overline;">x</span> And R charts
B. c-chart
C. p-chart
D. u-chart
Answer» B. c-chart
4.

Proper type of control charts to be prepared, must be chosen after choosing the point in the process at which the control charts will be implemented.

A. True
B. False
Answer» C.
5.

Before choosing which CTQ-characteristic to be controlled, control chart must be chosen.

A. True
B. False
Answer» C.
6.

In regulated industries, where process stability and process capability must be continually demonstrated _____ charts are used.

A. <span style="text-decoration:overline;">x</span> And s
B. p
C. c
D. u
Answer» B. p
7.

When we want to troubleshoot the out-of-control process, we use____ control charts?

A. <span style="text-decoration:overline;">x</span>
B. p
C. c
D. u
Answer» B. p
8.

The efficiency of variable control charts is ____ the efficiency of the p-charts when p is small and far away from 0.5?

A. Lesser than
B. More than
C. Equal to
D. Non-predictable
Answer» C. Equal to
9.

X bar and R charts are _____ indicators of trouble.

A. Trailing
B. Inferior
C. Leading
D. Secondary
Answer» D. Secondary
10.

Which of these is an advantage of attribute control chart?

A. Much useful information about the process performance can be gathered
B. Mean and variability is obtained directly
C. One quality characteristic is observed at a time
D. Several quality characteristics can be considered jointly
Answer» E.
11.

Which of the charts are more efficient to find out variability in the data when the sample size is more than 10?

A. R-chart
B. c-chart
C. s-chart
D. p-chart
Answer» D. p-chart
12.

Which of the control chart is used to find out variability in the data?

A. s-chart
B. <span style="text-decoration:overline;">x</span>-chart
C. p-chart
D. c-chart
Answer» B. <span style="text-decoration:overline;">x</span>-chart
13.

What type of control chart can be used to plot “number of defectives in the output of a process for making a machine part” data?$

A. p-chart
B. c-chart
C. u-chart
D. s-chart
Answer» B. c-chart
14.

The number of defects per unit of a casting process output, is plotted on ____ chart

A. x bar
B. s-chart
C. u-chart
D. p-chart
Answer» D. p-chart