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 DNOM approach does not need the measurements to be taken at all.

A. True
B. False
Answer» C.
2.

The standardized control chart approach for short production runs can only be applied on variable control charts.

A. True
B. False
Answer» C.
3.

Which of these is correct target value for standardized control chart for fraction nonconforming for shorter production runs?

A. p
B. np
C. c
D.
Answer» B. np
4.

Which of these is true according to Farnum?

A. The coefficient of the variation should be randomly varying
B. The coefficient of the variation should be systematically varying
C. The coefficient of the variation should be varying, maybe randomly or systematically
D. The coefficient of the variation must be constant
Answer» E.
5.

According to Farnum, the coefficient of variation is _____________

A. \(\frac{σ}{μ}\)
B. \(\frac{μ}{σ}\)
C. \(\frac{2σ}{μ}\)
D. \(\frac{2μ}{σ}\)
Answer» B. \(\frac{μ}{σ}\)
6.

Standardized control chart approach for short production runs was presented by ____________

A. Rodriguez
B. Roberts
C. Crowder
D. Farnum
Answer» E.
7.

Tj stands for __________

A. Target value for relative range
B. Target value for relative mean
C. target value for x bar for each part number
D. Target value for tested value of the variable
Answer» D. Target value for tested value of the variable
8.

Rj is the ____________

A. Target value for range
B. Target value for ratios
C. Result of jth part
D. Ratio of jth part
Answer» B. Target value for ratios
9.

The term Mi, which is used in the expression of the standard variable used in standardized x bar charts for short production runs, is defined as ___________

A. Average of averages of standard deviations
B. Average of original mean measurements
C. Moving average
D. Exponentially weighted moving average
Answer» C. Moving average
10.

Which of these has the same difference between the LCL and Center line, and the UCL and the center line?

A. Standardized R chart for short production runs
B. Standardized x bar charts for short production runs
C. Both, standardized x bar and R charts for short production runs
D. Neither one of the standardized R chart and standardized x bar charts for short production runs
Answer» C. Both, standardized x bar and R charts for short production runs
11.

The standardized x bar chart has the value of LCL when used for short production runs is ____________

A. 3
B. –A2
C. 1
D. A2
Answer» E.
12.

What is the value of standard variable plotted in the standardized x bar chart for short run production?

A. \(\bar{x}_i^s=\frac{\bar{M}_i-T_j}{2\bar{R}_j}\)
B. \(\bar{x}_i^s=\frac{\bar{M}_i+T_j}{\bar{R}_j}\)
C. \(\bar{x}_i^s=\frac{\bar{M}_i-T_j}{\bar{R}_j}\)
D. \(\bar{x}_i^s=\frac{2\bar{M}_i-T_j}{\bar{R}_j}\)
Answer» D. \(\bar{x}_i^s=\frac{2\bar{M}_i-T_j}{\bar{R}_j}\)
13.

What is the value of LCL of the standardized R chart for short runs?

A. D4
B. D2
C. D1
D. D3
Answer» E.
14.

What is the UCL of the standardized R chart for short production runs?

A. D4
B. D5
C. D1
D. D2
Answer» B. D5