Explore topic-wise MCQs in Statistical Quality Control.

This section includes 15 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.

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.
2.

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

A. True
B. False
Answer» C.
3.

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

A. x And s
B. p
C. c
D. u
Answer» B. p
4.

When we want to troubleshoot the out-of-control process, we use _________ control charts.

A. x
B. p
C. c
D. u
Answer» B. p
5.

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

A. p-charts
B. x And R charts
C. c-charts
D. u-charts
Answer» C. c-charts
6.

Which of these is most economical in long term?

A. x And R charts
B. c-chart
C. p-chart
D. u-chart
Answer» B. c-chart
7.

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
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 variable control chart?

A. Numerous quality characteristics considered at a time
B. To achieve the information very easily about the mean and variability
C. To have analyses of units nonconforming
D. To analyze the defects in one unit
Answer» C. To have analyses of units nonconforming
11.

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.
12.

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
13.

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

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

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
15.

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